/* styles.css */

/* Layout Variables */
:root {
    --nav-height: 40px;
}

/* ===== LOADING ANIMATIONS ===== */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Material Icons Animation Classes */
.material-icons.rotating,
.material-symbols-outlined.rotating,
.material-symbols-filled.rotating {
    animation: spin 1s linear infinite;
}

/* Video Buffer Loading States */
.mvp-video[data-loading="true"] {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.mvp-video:not([src]) {
    background: linear-gradient(45deg, #1a1a1a 25%, #2a2a2a 25%, #2a2a2a 50%, #1a1a1a 50%, #1a1a1a 75%, #2a2a2a 75%);
    background-size: 20px 20px;
    animation: loading-pattern 1s linear infinite;
}

@keyframes loading-pattern {
    0% { background-position: 0 0; }
    100% { background-position: 20px 20px; }
}

/* Video Poster Optimization */
.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: opacity 0.5s ease;
}

.video-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mvp-loading {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.6;
        transform: translateY(0);
    }
}

/* Variable Font Weight Animations */
@keyframes fontWeightPulse {
    0% {
        font-variation-settings: 'wght' 100;
    }
    25% {
        font-variation-settings: 'wght' 400;
    }
    50% {
        font-variation-settings: 'wght' 900;
    }
    75% {
        font-variation-settings: 'wght' 400;
    }
    100% {
        font-variation-settings: 'wght' 100;
    }
}

@keyframes fontWeightBreath {
    0%, 100% {
        font-variation-settings: 'wght' 100;
    }
    50% {
        font-variation-settings: 'wght' 900;
    }
}

@keyframes fontWeightWave {
    0% {
        font-variation-settings: 'wght' 100;
    }
    33% {
        font-variation-settings: 'wght' 500;
    }
    66% {
        font-variation-settings: 'wght' 900;
    }
    100% {
        font-variation-settings: 'wght' 100;
    }
}

@keyframes charWeightWave {
    0%, 100% {
        font-variation-settings: 'wght' 100;
        transform: scale(1);
    }
    25% {
        font-variation-settings: 'wght' 500;
        transform: scale(1.02);
    }
    50% {
        font-variation-settings: 'wght' 900;
        transform: scale(1.05);
    }
    75% {
        font-variation-settings: 'wght' 600;
        transform: scale(1.02);
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
    background-color: var(--primary-medium);
    color: var(--text-primary);

}

body {
    font-family: 'Raleway', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;

}

a {
    color: var(--text-primary);
}

h2, h3 {
  line-height: 1.3;
  font-weight: 300;
}

h4 {
    text-transform: uppercase;
  font-weight: 600;
}

strong {
        text-transform: uppercase;
  font-weight: 600;
}

/* ===== SCROLL SNAP CONFIGURATION ===== */
/* Default scroll snap for all sections */
section {
    scroll-snap-align: start;
}

/* Hero section explicit snap */
.hero {
    scroll-snap-align: start;
}

/* MVP sections default snap (will be overridden by JS for tall ones) */
.mvp-section {
    scroll-snap-align: start;
}

/* Manual override class for problematic sections */
.no-snap {
    scroll-snap-align: none !important;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    margin: auto;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    backdrop-filter: blur(30px);
    will-change: transform;
    transform: translateZ(0); /* Force GPU acceleration */
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo .accent {
    color: var(--text-primary);
}

.nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
     background: linear-gradient(
        -45deg,
        #000000,
        #191919,
        #6a6a6a,
        #aeaeae,
        #d8d7d7,
        #aaaaaa,
        #6a6a6a,
        #4a4a4a
    );
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 2rem;
    list-style: none;
    will-change: transform;
    transform: translateZ(0); /* Force GPU acceleration */
    gap: 2rem;
    transition: left 0.3s ease;
    backdrop-filter: blur(20px);
    z-index: 100;
    align-content: center;
  padding: 1rem;
    background-size: 400% 400%;
    animation: gradientShift 44s ease-in-out infinite;
}

.nav-menu::after {
    content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-secondary);
  z-index: -1;
}

.nav-menu.active {
    left: 0;
    display: flex;
    flex-flow: row wrap;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 25px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--active-overlay);
}

.hamburger {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    gap: 0.375rem;
    z-index: 101;
}

.hamburger span {
    width: 1.5rem;
    height: 0.13rem;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    scroll-snap-align: start;
    scroll-snap-stop: normal;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-grey);
    z-index: -2;
}

.hero-gradient-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        -45deg,
        #000000,
        #191919,
        #6a6a6a,
        #aeaeae,
        #d8d7d7,
        #aaaaaa,
        #6a6a6a,
        #4a4a4a
    );
    background-size: 400% 400%;
    animation: gradientShift 44s ease-in-out infinite;
    z-index: -2;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero-video {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    object-fit: cover;
    object-position: right center;
}


/* Overlay für bessere Lesbarkeit des Textes über dem Video */
.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-secondary);
    z-index: -1;
}


@keyframes particleFloat {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-200px); }
}

.hero-content {
    max-width: 800px;
    z-index: 2;
    position: relative;
    margin-top: clamp(6rem, 24vh, 6rem);
}

/* A-Frame Scene Integration */
.hero-ar-scene {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
}

/* A-Frame canvas should stay in background */
.hero-ar-scene canvas {
    z-index: 0 !important;
}

/* But A-Frame UI elements should be on top */
.hero-ar-scene .a-enter-vr,
.hero-ar-scene .a-enter-ar,
.hero-ar-scene .a-orientation-modal,
.hero-ar-scene > div:not(canvas) {
    z-index: 9999 !important;
}

/* Ensure hero content is above AR scene */
.hero-content,
.scroll-indicator {
    position: relative;
    z-index: 10;
}

/* Improve text measure for readability */
.hero-subtitle,
.about-text p,
.practice-skills,
.tech-competencies p {
    max-width: 70ch;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
}

.about-text p { line-height: 1.8; }
.practice-skills { list-style: none; padding-left: 0; gap: 0.5rem 1.5rem; }
.practice-skills li { opacity: 0.95; }
.tech-competencies p { opacity: 0.9; margin-top: 1rem; }

.hero-title {
    font-size: clamp(3rem, 8vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    display: block;
    line-height: 1;
    text-transform: uppercase;
}

/* Individual character animation */
.char-animated {
    display: inline-block;
    font-variation-settings: 'wght' 100;
    animation: charWeightWave 15s ease-in-out infinite;
    animation-delay: calc(var(--char-index) * 0.1s + var(--span-index) * 0.5s);
}


.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: clamp(0.5rem, 2vw, 2rem);
    opacity: 0.9;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: clamp(.5rem, 2vw, 2rem);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    margin-bottom: 0.3rem;
    background: var(--bg-secondary);
}

.btn-primary {
    color: var(--text-primary);
    border: 2px solid;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: var(--hover-overlay);
    border-color: var(--text-secondary);
    outline: none;
    transform: translateY(-1px);
}

.btn-secondary {
    color: var(--text-primary);
    background: transparent;
    border: 0.1rem solid;
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
    background: var(--hover-overlay);
    border-color: var(--text-secondary);
    outline: none;
    transform: translateY(-1px);
}

.btn-white {
    color: var(--text-primary);
}

.btn-white:hover,
.btn-white:focus,
.btn-white:active {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--shadow-medium);
    outline: none;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-accent);
}

.btn-outline:hover,
.btn-outline:focus,
.btn-outline:active {
    background: var(--hover-overlay);
    outline: none;
    transform: translateY(-1px);
}

/* Mobile touch optimizations for buttons */
@media (hover: none) and (pointer: coarse) {
    .btn:active {
        transform: translateY(1px) scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .btn-white:active {
        transform: translateY(0px) scale(0.98);
        box-shadow: 0 5px 15px var(--shadow-medium);
    }
    
    /* Prevent double-tap zoom on buttons */
    .btn {
        touch-action: manipulation;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
}

/* Enhanced active states for all devices */
.btn:active {
    transition: transform 0.1s ease, background 0.1s ease;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.7;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-primary);
    position: relative;
    border-radius: 1rem;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--text-primary);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* ===== SECTIONS ===== */
section {
    min-height: 100vh;
    padding: 5rem 0.5rem 0.7rem 0.8rem;
    display: flex;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 200;
  max-width: 35ch;
  margin-left: auto;
  margin-right: auto;
}

.section-header p {
    font-size: 1.2rem;
    opacity: 0.8;
    max-width: 630px;
    margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
#about {
    scroll-snap-align: start; /* Soft snap behavior with proximity */
}

.about-content  {
    display: grid;
    grid-template-columns: auto auto;
    grid-gap: 10px;
    padding: 10px;
}


.about-left h3 { margin-bottom: 0.5rem; }
.about-right { background: var(--bg-card); padding: 1rem; border-radius: 8px; }
.about-right h4 { margin-top: 0; margin-bottom: 1rem;}

/* Make about-text-grid a two-column layout for left/right content */
.about-text-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 900px) {
    .about-content { grid-template-columns: 1fr; }
    .about-text-grid { grid-template-columns: 1fr; gap: 1rem; }
    .practice-skills { grid-template-columns: 1fr; }

       .hero-title {
        font-size: clamp(1rem, 5vw, 4rem);
        margin-bottom: clamp(1rem, 2vw, 2rem);
    }

    .scroll-indicator {
        display: none;
    }

}

@media (max-height: 650px) {
  .scroll-indicator {
        display: none;
    }
}

/* Ensure left and right panels have consistent spacing */
.about-left { padding-right: 0.5rem; }
.about-right, .about-right h4, .about-right p, .about-right ul { color: var(--text-secondary); }

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
    opacity: 0.9;
}

.skills {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
}

.skill-item i {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.tech-stack h4 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.tech-item {
    padding: 1rem;
    background: var(--active-overlay);
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    border: 1px solid var(--active-overlay);
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-3px);
    background: var(--border-accent);
}

/* ===== MVP SECTIONS ===== */
.mvp-section {
    position: relative;
    overflow: hidden;
    scroll-snap-align: start; /* Will be dynamically adjusted by JS if too tall */
}

.mvp-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-blue {
      background: linear-gradient(135deg, #f1f4f5 0%, #e5e9f1 100%);
}

.gradient-darkblue {
    background: linear-gradient(135deg, #232526 0%, #1c1c1c 100%);
}

.gradient-green {
    background: linear-gradient(135deg, #7ac5ab 0%, #75bab1 100%);
}

.gradient-purple {
    background: linear-gradient(135deg, #e7e5e7 0%, #fcf2fa 100%);
}

.gradient-orange {
    background: linear-gradient(135deg, #f8e1b2 0%, #e79c38 100%);
}

.gradient-pink {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-red {
    background: linear-gradient(135deg, #f85032 0%, #e73827 100%);
}

.gradient-teal {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.gradient-yellow {
    background: linear-gradient(135deg, #fce4ba 0%, #e1bc26 100%);
}

.gradient-darkgray {
    background: linear-gradient(135deg, #2c3e50 0%, #4ca1af 100%);
}

.mvp-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mvp-content.reverse {
    direction: rtl;
}

.mvp-content.reverse > * {
    direction: ltr;
}

.mvp-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.mvp-info h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.mvp-info h3 {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.mvp-info p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.features {
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--hover-overlay);
    backdrop-filter: blur(10px);
}

.feature i {
    font-size: 1.5rem;
    opacity: 0.8;
}

.mvp-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== FULLWIDTH VIDEO SECTIONS ===== */
.mvp-section.fullwidth-video {
    position: relative;
    overflow: hidden;
    padding: var(--nav-height) 0 5vh 0;
    display: flex;
    align-items: center;
}

.fullwidth-video-container {
    position: relative;
    width: 83%;
    /* Dynamic aspect-ratio will be set by JavaScript */
    aspect-ratio: var(--video-aspect-ratio, 16/9);
    /* Ensure container doesn't exceed viewport height minus nav and padding */
    max-height: calc(100vh - var(--nav-height) - 10vh);
    /* Maintain aspect ratio by adjusting width when height is constrained */
    max-width: min(83%, calc((100vh - var(--nav-height) - 10vh) * var(--video-aspect-ratio, 16/9)));
    overflow: hidden;
    margin: auto;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    border-radius: 2vh;
    background: var(--gray-900); /* Black background for letterboxing */
    /* Smooth transition when aspect ratio changes */
    transition: aspect-ratio 0.3s ease;
}


/* Fallback for browsers that don't support aspect-ratio */
@supports not (aspect-ratio: 16/9) {
    .fullwidth-video-container {
        /* Fallback using padding-bottom technique */
        height: 0;
        padding-bottom: 56.25%; /* 16:9 aspect ratio */
    }
    

    
    .mvp-video.fullwidth {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

.mvp-video.fullwidth {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: var(--gray-900); /* Schwarze Balken für besseren Kontrast */
}

/* Video Overlay Content */
.video-overlay-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    pointer-events: none;
}

.text-overlay-box {
    background:var(--bg-secondary);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.5rem;
    padding: 0.7rem 0.7rem 0.4rem 0.7rem;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    pointer-events: all;
    position: relative;
    overflow: visible; /* Important: allow buttons to show outside */
}

.text-overlay-box.bottom-left {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    margin: 0;
    z-index: 5;
    max-width: 50vw;
}

/* Initial collapsed state for bottom-left boxes - Enhanced for Safari/Firefox */
.text-overlay-box.bottom-left .text-content {
    max-height: 80px;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    /* Force hardware acceleration for Safari */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.text-overlay-box.bottom-left .text-content h3,
.text-overlay-box.bottom-left .text-content p,
.text-overlay-box.bottom-left .features,
.text-overlay-box.bottom-left .mvp-actions {
    opacity: 0;
    transform: translateY(10px);
    -webkit-transform: translateZ(0) translateY(10px);
    transition: all 0.3s ease;
    /* Safari-specific visibility forcing */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    will-change: opacity, transform;
}

/* Specific non-accordion-open state (higher specificity) */
.text-overlay-box.bottom-left:not(.accordion-open) .text-content {
    max-height: 80px;
}

.text-overlay-box.bottom-left:not(.accordion-open) .text-content h3,
.text-overlay-box.bottom-left:not(.accordion-open) .text-content p,
.text-overlay-box.bottom-left:not(.accordion-open) .features,
.text-overlay-box.bottom-left:not(.accordion-open) .mvp-actions {
    opacity: 0;
    transform: translateY(10px);
    -webkit-transform: translateZ(0) translateY(10px);
}

.text-overlay-box.bottom-left.accordion-open {
    max-width: inherit;
}

.text-overlay-box.bottom-left.accordion-open .text-content {
    max-height: none;
}

.text-overlay-box.bottom-left.accordion-open .text-content h3,
.text-overlay-box.bottom-left.accordion-open .text-content p,
.text-overlay-box.bottom-left.accordion-open .features,
.text-overlay-box.bottom-left.accordion-open .mvp-actions {
    opacity: 1;
    transform: translateY(0);
}

.text-overlay-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.text-overlay-box.right-aligned {
    margin-left: auto;
    margin-right: 5%;
}

.text-overlay-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
}



/* ===== OPTIMIZED ACCORDION SYSTEM ===== */

/* CRITICAL: Initial state for all accordion boxes BEFORE JavaScript loads */
.text-overlay-box.bottom-left {
    /* Force initial collapsed state */
    --accordion-initial-height: 80px;
}

/* Prevent flash of expanded content before JS loads */
.text-overlay-box.bottom-left:not(.accordion-initialized) .accordion-content {
    max-height: 0 !important;
    opacity: 0 !important;
    overflow: hidden !important;
    /* Force immediate hiding without transition on page load */
    transition: none !important;
    display: block !important;
    visibility: hidden !important;
}

/* Accordion Container Base */
.text-overlay-box {
    position: relative;
    overflow: hidden !important; /* Critical for smooth animations */
    /* Safari-specific fixes */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

/* Accordion Header (always visible) */
.accordion-header {
    position: relative;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 10;
    outline: none;
    /* Mobile touch styles - prevent gray highlight */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: manipulation;
    /* Safari-specific fixes */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    will-change: transform;
}

.accordion-header:hover {
    transform: translateY(-2px);
}

/* Header Content */
.accordion-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    gap: 1rem;
}

.accordion-title .mvp-badge {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    margin: 0;
    opacity: 0.9;
    flex-shrink: 0;
}

.accordion-title h2 {
    margin: 0;
    font-size: 1.4rem;
    color: var(--text-primary);
    flex: 1;
    text-align: left;
}

/* Toggle Button (integrated in header) */
.accordion-toggle {
    width: 36px;
    height: 36px;
    background:var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    flex-shrink: 0;
    margin-bottom: 0.75rem; 
    background-color:var(--bg-secondary);
    /* Mobile touch styles - prevent gray highlight */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: manipulation;
    /* Safari-specific fixes */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    will-change: transform, background;
}

.accordion-toggle:hover {
    background:var(--bg-secondary);
    transform: rotate(360deg) scale(1.1);
}

/* Mobile-specific touch states */
.accordion-toggle:active {
    background:var(--bg-secondary);
    transform: scale(0.95);
}

.accordion-toggle i {
    font-size: 3.5rem;
    transition: all 0.3s ease;
    /* Prevent text selection on icon */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    /* Safari-specific fixes */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: block;
    line-height: 1;
}

/* Accordion Content (collapsible) */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-20px);
    transition: max-height 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 0 0 15px 15px;
    margin-top: -1px;
    /* Safari-specific fixes */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0) translateY(-20px);
    will-change: max-height, opacity, transform;
}

/* Open state */
.text-overlay-box.accordion-open .accordion-content {
    max-height: 1000px;
    opacity: 1;
    transform: translateY(0);
    -webkit-transform: translateZ(0) translateY(0);
    border-top: none;
}

/* Arrow direction now handled by JavaScript, no rotation needed */


.text-overlay-box.accordion-open .accordion-header {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

/* Content styling inside accordion */
.accordion-content h3 {
    margin: 0.5rem 0 0 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
}

.accordion-content p {
    margin: 0 0 1.2rem 0;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Animation improvements */
.accordion-stagger-animation {
    animation: staggerFadeIn 0.4s ease-out backwards;
    /* Safari-specific fixes */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

@keyframes staggerFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
        -webkit-transform: translateZ(0) translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        -webkit-transform: translateZ(0) translateY(0);
    }
}

/* Browser-specific fixes for Safari and Firefox */
.text-overlay-box.safari-accordion {
    /* Safari-specific accordion fixes */
    -webkit-transform: translateZ(0) !important;
    transform: translateZ(0) !important;
    -webkit-perspective: 1000px;
    perspective: 1000px;
    -webkit-backface-visibility: hidden !important;
    backface-visibility: hidden !important;
}

.text-overlay-box.safari-accordion .accordion-content {
    /* Force hardware acceleration on Safari */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: max-height, opacity, transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.text-overlay-box.firefox-accordion {
    /* Firefox-specific accordion fixes */
    transform: translateZ(0);
    backface-visibility: hidden;
}

.text-overlay-box.firefox-accordion .accordion-content {
    /* Ensure proper layering in Firefox */
    position: relative;
    z-index: 1;
    will-change: max-height, opacity;
}

/* Force immediate transitions after JS initialization */
.text-overlay-box.accordion-initialized .accordion-content {
    transition: max-height 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {

    .accordion-header {
        padding: 1rem;
    }
    
    .accordion-title {
        gap: 0.5rem;
    }
    
    .accordion-title h2 {
        font-size: 1.2rem;
    }
    
    .accordion-toggle {
        width: 32px;
        height: 32px;
    }
    
    
    .text-overlay-box.accordion-open .accordion-content {
        padding: 0 0.4rem 0.4rem;
    }
}

@media (max-width: 480px) {
    .accordion-header {
        padding: 0.2rem;
    }
    
    .accordion-title h2 {
        font-size: 1.1rem;
    }
    
    .accordion-title .mvp-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
}

/* Improved Ripple Effect */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, rgba(0, 212, 255, 0.1) 70%, transparent 100%);
    transform: scale(0);
    animation: enhanced-ripple 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

@keyframes enhanced-ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.text-overlay-box .mvp-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.text-overlay-box h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.text-overlay-box h3 {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;

}

.text-overlay-box p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    opacity: 0.9;
    max-width: 46ch;
}

.text-overlay-box .features {
    margin-bottom: 0.3rem;
    line-height: 1.5;
}

.text-overlay-box .feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background:var(--bg-secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
}


.text-overlay-box .feature i {
    font-size: 2.2rem;
    opacity: 0.8;
    width: 20px;
}

.text-overlay-box .mvp-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Video Poster (WebP Support) */
.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.video-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Hide poster when video is playing */
video:not([data-autoplay="true"]) ~ .video-poster,
video.playing ~ .video-poster {
    display: none;
}

/* Enhanced Video Controls for Fullwidth */
.fullwidth-video-container .video-controls {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 15px;
    z-index: 2;
    opacity: 1;
    transition: all 0.3s ease;
    z-index: 5;
}

.fullwidth-video-container:hover .video-controls {
    opacity: 1;
}

.fullwidth-video-container .video-controls button {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(75, 75, 75, 0.2);
    color: var(--text-primary);
    backdrop-filter: blur(30px);
  background: var(--bg-primary);
}

.fullwidth-video-container .video-controls button:hover {
    background: var(--primary-medium);
    transform: scale(1.1);
    border-color: var(--primary-medium);
}

/* Gradient Overlays for Better Text Readability */
.mvp-section.fullwidth-video::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    z-index: 0;
    pointer-events: none;
}

/* Enhanced Animation Effects */
@keyframes overlaySlideIn {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes overlaySlideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.text-overlay-box {
    animation: overlaySlideIn 1s ease forwards;
}

.text-overlay-box.right-aligned {
    animation: overlaySlideInRight 1s ease forwards;
}

/* Video Fallback for Fullwidth */
.fullwidth-video-container .video-fallback {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* Responsive Design for Fullwidth Videos */
@media (max-width: 1200px) {

    
    .text-overlay-box.bottom-left {
        bottom: 1rem;
        left: 1rem;
    }
}

@media (max-width: 768px) {
    .mvp-section.fullwidth-video {
        min-height: 80vh;
        height: 100vh;
        padding: var(--nav-height) 0 5vh 0;
    }
    
    .fullwidth-video-container {
        width: 90%;
        aspect-ratio: var(--video-aspect-ratio, 16/9);
        /* Ensure container doesn't exceed viewport height on mobile */
        max-height: calc(100vh - var(--nav-height) - 10vh);
        max-width: min(90%, calc((100vh - var(--nav-height) - 10vh) * var(--video-aspect-ratio, 16/9)));
    }
    
    .text-overlay-box {
        max-width: 90%;
    }
    
    .text-overlay-box.bottom-left {
        position: absolute;
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
        max-width: calc(100% - 2rem);
        margin: 0;
    }
    
    .text-overlay-box p {
        font-size: 0.9rem;
    }
    
    .text-overlay-box .mvp-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .fullwidth-video-container .video-controls {
        bottom: 1rem;
        right: 1rem;
    }
    
    .fullwidth-video-container .video-controls button {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .mvp-section.fullwidth-video {
        min-height: 70vh;
        height: 100vh;
    }
    
    .fullwidth-video-container {
        width: 95%;
        aspect-ratio: var(--video-aspect-ratio, 16/9);
        /* Ensure container doesn't exceed viewport height on small mobile */
        max-height: calc(100vh - var(--nav-height) - 10vh);
        max-width: min(95%, calc((100vh - var(--nav-height) - 10vh) * var(--video-aspect-ratio, 16/9)));
    }
    
    .text-overlay-box {
        border-radius: 15px;
    }
    
    .text-overlay-box .features {
        margin-bottom: 1.5rem;
    }
    
    .text-overlay-box .feature {
        padding: 0.4rem;
        margin-bottom: 0.5rem;
    }
    
    .text-overlay-box .feature i {
        font-size: 1rem;
    }
}

/* Performance Optimizations */
.mvp-video.fullwidth {
    will-change: transform;
    backface-visibility: hidden;
}

.text-overlay-box {
    will-change: transform;
    backface-visibility: hidden;
}

/* Accessibility Enhancements */
.text-overlay-box:focus-within {
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .text-overlay-box,
    .text-overlay-box.right-aligned {
        animation: none;
    }
    
    .text-overlay-box:hover {
        transform: none;
    }
}


/* ===== VIDEO CONTAINERS (Keep as fallback) ===== */
.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.video-container:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.mvp-video {
    width: 100%;
    height: auto;
    display: block;
    transition: all 0.3s ease;
}



/* Video Controls */
.video-controls {
    position: absolute;
    bottom: 15px;
    right: 15px;
    display: flex;
    gap: 10px;
    opacity: 1;
    transition: all 0.3s ease;
    z-index: 10;
}

.video-container:hover .video-controls {
    opacity: 1;
}

.video-controls button {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.video-controls button:hover {
    background: var(--primary-medium);
    transform: scale(1.1);
}

/* Video Overlay */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.video-container:hover .video-overlay {
    opacity: 1;
}

.video-info {
    padding: 20px;
    width: 100%;
}

.video-info h5 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.video-info p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* Video Fallback Styles */
.video-fallback {
    display: none;
}

/* Show fallback when video is not supported */
video:not([autoplay]) + .video-fallback {
    display: block;
}

/* Enhanced Video Responsive Design */
@media (max-width: 1200px) {
    .video-container {
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .video-container {
        max-width: 90%;
        margin: 0 auto;
    }
    
    .video-info {
        padding: 15px;
    }
    
    .video-info h5 {
        font-size: 1rem;
    }
    
    .video-info p {
        font-size: 0.8rem;
    }
    
    .video-controls {
        bottom: 10px;
        right: 10px;
    }
    
    .video-controls button {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .video-container {
        border-radius: 15px;
    }
    
    .mvp-video {
        border-radius: 10px;
    }
    
    .video-info {
        padding: 12px;
    }
    
    .video-controls button {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }
}

/* Video Loading States */
.video-container.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 3px solid var(--primary-medium);
    border-top: 3px solid;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 15;
}

/* Video Play State Indicators */
.video-container.paused .mvp-video {
    filter: brightness(0.7);
}

.video-container.paused::after {
    content: '\f04b';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: var(--text-primary);
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    animation: fadeInOut 2s ease infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.8; }
}

/* Video Quality Indicators */
.video-quality {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-container:hover .video-quality {
    opacity: 1;
}

/* Fullscreen Video Styles */
.video-container.fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    border-radius: 0 !important;
    z-index: 9999 !important;
    will-change: transform;
    transform: translateZ(0); /* Force GPU acceleration */
}

.video-container.fullscreen .mvp-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

/* Enhanced MVP Content Layout for Videos */
.mvp-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr; /* Give more space to video */
    gap: 4rem;
    align-items: center;
}

.mvp-content.reverse {
    grid-template-columns: 1.2fr 1fr; /* Video gets more space in reverse layout too */
    direction: rtl;
}

/* Video-specific MVP adjustments */
.mvp-section .mvp-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

/* Enhanced hover effects for video sections */
.mvp-section:hover .video-container {
    transform: translateY(-5px) scale(1.02);
}

.mvp-section:hover .mvp-info {
    transform: translateX(10px);
}

.mvp-section .mvp-content.reverse:hover .mvp-info {
    transform: translateX(-10px);
}

/* Video Progress Indicators */
.video-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--primary-medium);
    width: 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-container:hover .video-progress {
    opacity: 1;
}

.video-progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--progress, 0%);
    transition: width 0.1s ease;
}

/* Video Thumbnail Enhancements */
.video-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--primary-medium);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 5;
}

.video-container.show-play-button::before {
    content: '\f04b';
    opacity: 1;
}

/* Video Section Animations */
@keyframes videoSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.video-container.animate {
    animation: videoSlideIn 0.8s ease forwards;
}

/* Screen Reader Support for Videos */
.video-container .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== MOCKUPS (Keep as fallback) ===== */
.mockup-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.mockup-desktop {
    width: 400px;
    height: 280px;
}

.mockup-tablet {
    width: 300px;
    height: 400px;
}

.mockup-mobile {
    width: 200px;
    height: 360px;
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.mockup-content {
    padding: 20px;
    height: 100%;
}

/* TaskFlow Mockup */
.taskflow-mockup .app-header {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.9rem;
}

.task-item.priority-high {
    border-left: 4px solid #ff4757;
}

.task-item.priority-medium {
    border-left: 4px solid #ffa502;
}

.task-item.priority-low {
    border-left: 4px solid #2ed573;
}

/* EcoTracker Mockup */
.ecotracker-mockup .app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.eco-score {
    background: var(--accent-success);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.eco-stats {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: rgba(46, 213, 115, 0.2);
    border-radius: 10px;
}

.stat-card i {
    font-size: 1.5rem;
    color: #2ed573;
}

.stat-card strong {
    margin-left: auto;
    color: #2ed573;
}

/* LearnSync Mockup */
.learnsync-mockup .course-progress {
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    margin: 10px 0;
}

.progress-fill {
    height: 100%;
    background: #667eea;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.lesson-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.lesson {
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    text-align: center;
    font-size: 0.8rem;
}

.lesson.completed {
    background: rgba(46, 213, 115, 0.3);
    color: #2ed573;
}

.lesson.active {
    background: rgba(102, 126, 234, 0.3);
    color: #667eea;
}


.wellness-stats {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.wellness-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.wellness-stat i {
    color: #f093fb;
}

.meditation-timer {
    text-align: center;
}

.timer-circle {
    width: 80px;
    height: 80px;
    border: 3px solid #f093fb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 1.2rem;
    font-weight: bold;
}

/* SocialHub Mockup */


.social-accounts {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.account {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
}

.account.facebook {
    background: #4267B2;
}

.account.twitter {
    background: #1DA1F2;
}

.account.instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.account.linkedin {
    background: #0077B5;
}

.scheduled-post {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
}

.scheduled-post span {
    color: #4facfe;
    font-size: 0.8rem;
}

.scheduled-post p {
    margin-top: 5px;
    font-size: 0.9rem;
}

/* FinanceAI Mockup */
.finance-dashboard {
    text-align: center;
}

.portfolio-value {
    margin: 20px 0;
}

.currency {
    font-size: 1.5rem;
}

.amount {
    font-size: 2rem;
    font-weight: bold;
    margin: 0 5px;
}

.change {
    font-size: 1rem;
}

.change.positive {
    color: #2ed573;
}

.ai-insights {
    text-align: left;
    margin-top: 20px;
}

.ai-insights h5 {
    margin-bottom: 10px;
    color: #43e97b;
}

.insight {
    background: rgba(67, 233, 123, 0.2);
    padding: 10px;
    border-radius: 8px;
    font-size: 0.8rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    scroll-snap-align: start; /* Will be dynamically adjusted by JS if too tall */
}

.contact-content {
 display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  max-width: 500px;
  margin: auto;
  line-height: 1.3;
  padding: 0 1rem 0 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    text-align: center;
}

/* Material Icons Base Styles */
.material-icons {
    font-family: 'Material Icons';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-feature-settings: 'liga';
    font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
}

/* Material Symbols Outlined Base Styles */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 4rem;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    -webkit-font-smoothing: antialiased;
}

/* Material Symbols Filled Base Styles */
.material-symbols-filled {
    font-family: 'Material Symbols Filled';
    font-weight: normal;
    font-style: normal;
    font-size: 1rem;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    -webkit-font-smoothing: antialiased;
}

/* Ensure all icons inherit material symbols font */
.feature i,
.contact-item i,
.accordion-toggle i,
.simple-toggle-btn i,
.notification i,
.btn i {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
    -webkit-font-smoothing: antialiased;
}

/* Video controls use filled icons for better visibility */
.video-controls i {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    -webkit-font-smoothing: antialiased;
}

.contact-item h4 {
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-medium);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--primary-light);
}

.social-link:hover {
    background: var(--primary-medium);
    transform: translateY(-2px);
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* ===== FOOTER ===== */
.footer {
    padding: 2rem 0;
    text-align: center;
    scroll-snap-align: end;
}

.footer-content p {
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    /* Mobile specific styles - hamburger is now always active */

    /* Hero Section */
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    /* Sections */
    .section-header h2 {
        font-size: 2rem;
    }

    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .skills {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* MVP Sections */
    .mvp-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .mvp-content.reverse {
        direction: ltr;
    }

    .mvp-info h2 {
        font-size: 2rem;
    }

    .mockup-desktop {
        width: 320px;
        height: 200px;
    }

    .mockup-tablet {
        width: 240px;
        height: 320px;
    }

    .mockup-mobile {
        width: 180px;
        height: 320px;
    }

    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.3rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .mvp-info h2 {
        font-size: 1.8rem;
    }

    .mockup-desktop {
        width: 280px;
        height: 160px;
    }

    .mockup-content {
        padding: 15px;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Apply animations when elements come into view */
.animate-on-scroll {
    opacity: 0;
    transition: all 0.6s ease;
}

.animate-on-scroll.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Staggered entry for about section columns */
.about-left.animate-on-scroll.fade-in-up { animation-delay: 0.15s; }
.about-right.animate-on-scroll.fade-in-up { animation-delay: 0.35s; }

.animate-on-scroll.slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.animate-on-scroll.slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }

/* ===== SCROLL STYLES ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-primary);
    border-radius: 4px;
}




.accordion-stagger-animation-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}