/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --navy: #001A33;
    --cyan: #00C6D9;
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --dark-gray: #2C3E50;
    --gradient-blue: linear-gradient(135deg, #001A33 0%, #003D66 100%);
    --gradient-cyan: linear-gradient(135deg, #00C6D9 0%, #00A3B8 100%);
    --shadow: 0 10px 40px rgba(0, 26, 51, 0.15);
    --shadow-hover: 0 20px 60px rgba(0, 198, 217, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--navy);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: rgba(0, 198, 217, 0.2);
}

body.scroll-mode {
    overflow-y: scroll;
}

body.scroll-mode .tab-content {
    display: block !important;
    min-height: 100vh;
    padding-top: 100px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   ANIMATED WAVE BACKGROUND
   ======================================== */
.wave-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.wave-background::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 198, 217, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 61, 102, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 198, 217, 0.04) 0%, transparent 50%);
    animation: oceanPulse 15s ease-in-out infinite;
}

@keyframes oceanPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.wave {
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 198, 217, 0.04) 0%, transparent 70%);
    animation: wave-float 20s ease-in-out infinite;
}

.wave1 {
    top: -50%;
    left: -50%;
    animation-delay: 0s;
}

.wave2 {
    top: -30%;
    right: -50%;
    animation-delay: -7s;
    animation-duration: 25s;
}

.wave3 {
    bottom: -50%;
    left: -30%;
    animation-delay: -14s;
    animation-duration: 30s;
}

@keyframes wave-float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(5deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(-5deg);
    }
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 26, 51, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 18px 0;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo-container {
    flex-shrink: 0;
}

.logo {
    height: 65px;
    width: auto;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 8px rgba(0, 198, 217, 0.3));
}

.logo:hover {
    transform: scale(1.05);
}

.main-nav {
    display: flex;
    gap: 10px;
    flex: 1;
    justify-content: center;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px;
    position: relative;
}

.nav-btn::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--cyan);
    transition: transform 0.3s ease;
}

.nav-btn:hover::after,
.nav-btn.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-btn.active {
    color: var(--cyan);
}

.primary-cta {
    background: var(--gradient-cyan);
    color: var(--white);
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 198, 217, 0.3);
}

.primary-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 198, 217, 0.5);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 28px;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 75px;
    left: 0;
    width: 100%;
    background: rgba(0, 26, 51, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px;
    z-index: 999;
    flex-direction: column;
    gap: 10px;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-nav-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 15px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-nav-btn.active,
.mobile-nav-btn:hover {
    background: var(--cyan);
    border-color: var(--cyan);
}

/* ========================================
   MAIN CONTENT & TAB SYSTEM
   ======================================== */
.main-content {
    position: relative;
    z-index: 1;
    margin-top: 75px;
    min-height: calc(100vh - 75px);
}

.tab-content {
    display: none;
    animation: fadeInUp 0.6s ease-out;
    padding: 60px 0;
}

.tab-content.active {
    display: block;
}

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

/* ========================================
   HOME TAB - HERO SECTION
   ======================================== */
.hero-section {
    position: relative;
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin: -60px 0 60px 0;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 26, 51, 0.85) 0%, rgba(0, 61, 102, 0.75) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-branding {
    margin-bottom: 30px;
}

.hero-logo {
    height: 120px;
    width: auto;
    filter: drop-shadow(0 4px 12px rgba(0, 198, 217, 0.4));
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(28px, 4.5vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--white) 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(14px, 2vw, 18px);
    margin-bottom: 32px;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta {
    background: var(--gradient-cyan);
    color: var(--white);
    border: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 198, 217, 0.4);
}

.hero-buttons .secondary-cta {
    background: transparent;
    border: 2px solid var(--cyan);
    box-shadow: none;
}

.hero-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 198, 217, 0.6);
}

.hero-buttons .secondary-cta:hover {
    background: rgba(0, 198, 217, 0.1);
    border-color: var(--white);
}

/* Fade-in animations */
.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in-up.delay-1 {
    animation-delay: 0.2s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.4s;
}

/* ========================================
   VALUE PROPOSITIONS
   ======================================== */
.value-props {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 60px 0 30px 0;
}

.value-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.value-card[data-delay="0"] {
    animation: fadeInUp 0.6s ease-out 0.1s forwards;
}

.value-card[data-delay="100"] {
    animation: fadeInUp 0.6s ease-out 0.3s forwards;
}

.value-card[data-delay="200"] {
    animation: fadeInUp 0.6s ease-out 0.5s forwards;
}

.value-card:hover {
    transform: translateY(-10px);
    background: rgba(0, 198, 217, 0.1);
    border-color: var(--cyan);
    box-shadow: var(--shadow-hover);
}

.value-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 16px;
    color: var(--cyan);
    stroke-width: 1.5;
    animation: float 3s ease-in-out infinite;
}

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

.value-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--cyan);
}

.value-card p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.6;
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 0 0 60px 0;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border: none;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px 20px;
    transition: all 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(0, 198, 217, 0.1);
    border-color: var(--cyan);
    box-shadow: var(--shadow-hover);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--cyan);
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}

.stat-number::after {
    content: '+';
    margin-left: 4px;
}

.stat-label {
    font-size: 13px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: clamp(26px, 4vw, 36px);
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--white) 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: clamp(14px, 2vw, 17px);
    opacity: 0.8;
    font-weight: 300;
}

/* ========================================
   PRODUCT TAB
   ======================================== */
.product-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin: 40px 0;
}

.product-text h3 {
    font-size: 22px;
    margin-bottom: 14px;
    color: var(--cyan);
}

.product-text p {
    font-size: 15px;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 12px;
}

.product-visual img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.4s ease;
}

.hover-zoom:hover {
    transform: scale(1.05);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 50px 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px 20px;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(20px);
}

.feature-card[data-delay="0"] {
    animation: fadeInUp 0.5s ease-out 0.1s forwards;
}

.feature-card[data-delay="100"] {
    animation: fadeInUp 0.5s ease-out 0.2s forwards;
}

.feature-card[data-delay="200"] {
    animation: fadeInUp 0.5s ease-out 0.3s forwards;
}

.feature-card[data-delay="300"] {
    animation: fadeInUp 0.5s ease-out 0.4s forwards;
}

.feature-card[data-delay="400"] {
    animation: fadeInUp 0.5s ease-out 0.5s forwards;
}

.feature-card[data-delay="500"] {
    animation: fadeInUp 0.5s ease-out 0.6s forwards;
}

.feature-card:hover {
    background: rgba(0, 198, 217, 0.1);
    border-color: var(--cyan);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    color: var(--cyan);
    stroke-width: 1.5;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--cyan);
}

.feature-card p {
    font-size: 13px;
    opacity: 0.85;
    line-height: 1.5;
}

.input-output-section {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    margin: 50px 0;
    padding: 35px 40px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.io-column h3 {
    font-size: 19px;
    margin-bottom: 16px;
    color: var(--cyan);
}

.io-list {
    list-style: none;
}

.io-list li {
    padding: 9px 0;
    font-size: 14px;
    opacity: 0.9;
    padding-left: 22px;
    position: relative;
}

.io-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--cyan);
}

.io-arrow {
    font-size: 48px;
    color: var(--cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
}

/* ========================================
   TECHNOLOGY TAB
   ======================================== */
.tech-pipeline {
    max-width: 550px;
    margin: 40px auto;
}

.pipeline-step {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 14px 0;
    transition: all 0.4s ease;
    animation: slideInLeft 0.6s ease-out forwards;
    opacity: 0;
}

.pipeline-step[data-step="1"] {
    animation-delay: 0.1s;
}

.pipeline-step[data-step="2"] {
    animation-delay: 0.2s;
}

.pipeline-step[data-step="3"] {
    animation-delay: 0.3s;
}

.pipeline-step[data-step="4"] {
    animation-delay: 0.4s;
}

.pipeline-step[data-step="5"] {
    animation-delay: 0.5s;
}

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

.pipeline-step:hover {
    background: rgba(0, 198, 217, 0.1);
    border-color: var(--cyan);
    transform: translateX(10px);
}

.step-number {
    font-size: 26px;
    font-weight: 700;
    color: var(--cyan);
    min-width: 50px;
}

.step-content h4 {
    font-size: 16px;
    margin-bottom: 6px;
    color: var(--cyan);
}

.step-content p {
    font-size: 13px;
    opacity: 0.85;
}

.pipeline-arrow {
    text-align: center;
    font-size: 36px;
    color: var(--cyan);
    margin: 10px 0;
}

.tech-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.tech-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 28px 24px;
    transition: all 0.4s ease;
}

.tech-card:hover {
    background: rgba(0, 198, 217, 0.08);
    border-color: var(--cyan);
    transform: translateY(-5px);
}

.tech-card h3 {
    font-size: 19px;
    margin-bottom: 18px;
    color: var(--cyan);
}

.tech-card ul {
    list-style: none;
}

.tech-card li {
    padding: 9px 0;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.5;
}

.tech-video {
    max-width: 900px;
    margin: 80px auto;
    text-align: center;
}

.tech-video video {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.video-caption {
    margin-top: 20px;
    font-size: 16px;
    opacity: 0.8;
    font-style: italic;
}

/* ========================================
   USE CASES TAB
   ======================================== */
.use-cases-grid {
    display: grid;
    gap: 25px;
    margin: 40px 0;
}

.use-case-card {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(20px);
}

.use-case-card[data-delay="0"] {
    animation: fadeInUp 0.6s ease-out 0.1s forwards;
}

.use-case-card[data-delay="100"] {
    animation: fadeInUp 0.6s ease-out 0.3s forwards;
}

.use-case-card[data-delay="200"] {
    animation: fadeInUp 0.6s ease-out 0.5s forwards;
}

.use-case-card[data-delay="300"] {
    animation: fadeInUp 0.6s ease-out 0.7s forwards;
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--cyan);
}

.use-case-image {
    overflow: hidden;
    max-height: 280px;
}

.use-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.use-case-content {
    padding: 28px 24px;
}

.use-case-icon {
    width: 38px;
    height: 38px;
    margin-bottom: 14px;
    color: var(--cyan);
    stroke-width: 1.5;
}

.use-case-content h3 {
    font-size: 20px;
    margin-bottom: 14px;
    color: var(--cyan);
}

.use-case-content ul {
    list-style: none;
}

.use-case-content li {
    padding: 8px 0;
    font-size: 14px;
    opacity: 0.9;
    padding-left: 22px;
    position: relative;
}

.use-case-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--cyan);
    font-weight: bold;
}

/* ========================================
   BEFORE/AFTER SLIDER
   ======================================== */
.comparison-slider {
    margin: 60px 0;
    text-align: center;
}

.comparison-slider h3 {
    font-size: 26px;
    margin-bottom: 16px;
    color: var(--cyan);
}

.comparison-description {
    max-width: 650px;
    margin: 0 auto 30px;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.6;
}

.slider-container {
    max-width: 800px;
    margin: 0 auto 40px;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow);
    cursor: ew-resize;
}

.slider-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.slider-image.after {
    clip-path: inset(0 50% 0 0);
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--cyan);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.handle-circle {
    width: 50px;
    height: 50px;
    background: var(--cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--navy);
    font-weight: bold;
    box-shadow: 0 5px 20px rgba(0, 198, 217, 0.5);
}

.handle-line {
    flex: 1;
    width: 4px;
    background: var(--cyan);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    font-size: 12px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.secondary-cta {
    background: transparent;
    color: var(--cyan);
    border: 2px solid var(--cyan);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-cta:hover {
    background: var(--cyan);
    color: var(--navy);
    transform: translateY(-2px);
}

/* ========================================
   CONTACT TAB
   ======================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 11px 14px;
    color: var(--white);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cyan);
    background: rgba(0, 198, 217, 0.1);
    box-shadow: 0 0 0 3px rgba(0, 198, 217, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background: var(--gradient-cyan);
    color: var(--white);
    border: none;
    padding: 13px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 198, 217, 0.5);
}

.thank-you-message {
    text-align: center;
    padding: 60px 30px;
}

.thank-you-message.hidden {
    display: none;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 20px;
    color: var(--white);
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.thank-you-message h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--cyan);
}

.thank-you-message p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 24px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 22px 20px;
    transition: all 0.3s ease;
}

.info-card:hover {
    background: rgba(0, 198, 217, 0.08);
    border-color: var(--cyan);
}

.info-card h3 {
    font-size: 17px;
    margin-bottom: 12px;
    color: var(--cyan);
}

.info-card p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.6;
}

.team-member {
    margin: 12px 0;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.team-member:last-child {
    border-bottom: none;
}

.team-member strong {
    color: var(--cyan);
    font-size: 14px;
}

.team-bio {
    font-size: 13px;
    opacity: 0.8;
}

.partners {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.partner-badge {
    background: rgba(0, 198, 217, 0.2);
    border: 1px solid var(--cyan);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-link {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-link svg {
    flex-shrink: 0;
}

.social-link:hover {
    color: var(--cyan);
    transform: translateX(5px);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: rgba(0, 26, 51, 0.9);
    padding: 40px 0;
    margin-top: 100px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    height: 35px;
    width: auto;
}

.footer-left p {
    font-size: 14px;
    opacity: 0.7;
}

.footer-right {
    display: flex;
    gap: 30px;
}

.footer-right a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-right a:hover {
    color: var(--cyan);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 968px) {
    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu {
        display: flex;
    }

    .value-props,
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .product-overview,
    .use-case-card {
        grid-template-columns: 1fr;
    }

    .use-case-image {
        height: 300px;
        max-height: none;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .input-output-section {
        grid-template-columns: 1fr;
    }

    .io-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 640px) {
    .hero-section {
        height: 60vh;
        min-height: 450px;
    }

    .hero-logo {
        height: 80px;
    }

    .hero-branding {
        margin-bottom: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    .hero-buttons .cta-btn {
        width: 100%;
        max-width: 300px;
    }

    .value-props {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stats-section {
        grid-template-columns: 1fr;
        gap: 15px;
    }

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

    .use-case-card {
        grid-template-columns: 1fr;
    }

    .use-case-image {
        max-height: 250px;
    }

    .comparison-slider {
        margin: 40px 0;
    }

    .slider-container {
        margin: 0 auto 30px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-right {
        flex-direction: column;
        gap: 15px;
    }

    .header-content {
        gap: 15px;
    }

    .logo {
        height: 50px;
    }

    .primary-cta {
        padding: 10px 20px;
        font-size: 14px;
    }

    .nav-btn {
        font-size: 14px;
        padding: 8px 12px;
    }

    /* Better spacing for mobile */
    .container {
        padding: 0 15px;
    }

    .tab-content {
        padding: 40px 0;
    }

    /* Mobile-friendly form */
    .contact-content {
        gap: 30px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Mobile menu improvements */
    .mobile-menu {
        padding: 15px;
        gap: 8px;
    }

    .mobile-nav-btn {
        padding: 12px;
        font-size: 15px;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
    display: none !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--cyan);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00A3B8;
}

/* Selection */
::selection {
    background: var(--cyan);
    color: var(--navy);
}