/* Reset and Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors */
    --color-mint: #8AD8C0;
    --color-lime: #C6F459;
    --color-coral: #F39A8E;
    --color-blue: #85CBDA;
    --color-periwinkle: #9CB7EB;
    --color-purple: #B295CE;
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-gray: #666666;
    --color-light-gray: #f5f5f5;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-black);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Page Load Animation */
body.loading {
    overflow: hidden;
}

body.loading .main,
body.loading .footer {
    opacity: 0;
    transform: translateY(20px);
}

body.loaded .main,
body.loaded .footer {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

body.loaded .main {
    transition-delay: 0.1s;
}

body.loaded .footer {
    transition-delay: 0.3s;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.6;
}

/* Main Content */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

/* Hero Section */
.hero {
    text-align: left;
    padding: var(--spacing-xl) 0;
    padding-top: var(--spacing-lg);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.hero-tagline {
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--color-gray);
    max-width: 600px;
    line-height: 1.4;
    margin-left: auto;
    text-align: right;
}

.hero-tagline strong {
    color: var(--color-black);
}

/* Video/Image Section with Parallax */
.video-section {
    padding: var(--spacing-lg) 0;
    position: relative;
}

.video-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transform-origin: center center;
    will-change: transform;
    transform: translate3d(0, 0, 0) scale(0.88);
    transition: transform 0.1s linear;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.video-placeholder {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--color-periwinkle), var(--color-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 500;
}

.main-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    will-change: transform;
}

/* Introduction */
.intro {
    text-align: left;
    padding: var(--spacing-xl) 0;
    max-width: 100%;
    margin-left: auto;
    padding-left: 40%;
}

.intro p {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-gray);
    line-height: 1.8;
}

.intro strong {
    color: var(--color-black);
}

/* Capabilities Section */
.capabilities {
    padding: var(--spacing-xl) 0;
}

.capabilities h2 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.cards-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.cards-row {
    display: flex;
    gap: 20px;
    width: 100%;
}

/* Row 1: 35% / 65% */
.cards-row:nth-child(1) .card:first-child { flex: 0 0 35%; }
.cards-row:nth-child(1) .card:last-child { flex: 0 0 calc(65% - 20px); }

/* Row 2: 50% / 50% */
.cards-row:nth-child(2) .card { flex: 0 0 calc(50% - 10px); }

/* Row 3: 60% / 40% */
.cards-row:nth-child(3) .card:first-child { flex: 0 0 60%; }
.cards-row:nth-child(3) .card:last-child { flex: 0 0 calc(40% - 20px); }

.card {
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.card h3 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
}

.card p {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.25;
    font-weight: 500;
}

/* Card Colors */
.card-mint {
    background-color: var(--color-mint);
}

.card-lime {
    background-color: var(--color-lime);
}

.card-coral {
    background-color: var(--color-coral);
}

.card-blue {
    background-color: var(--color-blue);
}

.card-periwinkle {
    background-color: var(--color-periwinkle);
}

.card-purple {
    background-color: var(--color-purple);
}

/* Testimonial Cards */
.testimonial blockquote {
    font-size: 1.125rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.testimonial cite {
    font-size: 0.875rem;
    font-style: normal;
    font-weight: 500;
    opacity: 0.8;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-xl) 0;
}

.contact-content {
    max-width: 700px;
}

.contact-intro {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    line-height: 1.6;
    color: var(--color-black);
    margin-bottom: var(--spacing-lg);
}

.contact-intro a {
    color: var(--color-black);
    text-decoration: none;
    background: #E5E7EB;
    border-radius: 4px;
    padding: 0 4px;
}

.contact-intro a:hover {
    opacity: 0.7;
}

.contact-closing {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.signature {
    width: 180px;
    height: auto;
    margin-bottom: var(--spacing-lg);
    display: block;
}


/* Footer */
.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--color-light-gray);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-content p {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Wave Animation */
.wave {
    display: inline-block;
    animation: wave 2s ease-in-out infinite;
    transform-origin: 70% 70%;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60%, 100% { transform: rotate(0deg); }
}

/* Scroll Animations - GPU accelerated */
.animate-on-scroll {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Staggered animations for cards */
.card.animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.card.animate-on-scroll:nth-child(2) { transition-delay: 80ms; }
.card.animate-on-scroll:nth-child(3) { transition-delay: 160ms; }
.card.animate-on-scroll:nth-child(4) { transition-delay: 240ms; }
.card.animate-on-scroll:nth-child(5) { transition-delay: 320ms; }
.card.animate-on-scroll:nth-child(6) { transition-delay: 400ms; }

/* Hero animation */
.hero.animate-on-scroll {
    transform: translate3d(0, 20px, 0);
}

/* Image section - no transform here, handled by JS */
.video-section.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.6s ease-out;
}

.video-section.animate-on-scroll.visible {
    opacity: 1;
}

/* Intro section */
.intro.animate-on-scroll {
    transform: translate3d(0, 25px, 0);
}

/* Contact section */
.contact.animate-on-scroll {
    transform: translate3d(0, 30px, 0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-lg) 0;
        padding-top: var(--spacing-md);
    }

    .hero-tagline {
        margin-left: 0;
        text-align: left;
    }

    .intro {
        padding-left: 0;
    }

    .cards-row {
        flex-direction: column;
    }

    .cards-row:nth-child(1) .card:first-child,
    .cards-row:nth-child(1) .card:last-child,
    .cards-row:nth-child(2) .card,
    .cards-row:nth-child(3) .card:first-child,
    .cards-row:nth-child(3) .card:last-child {
        flex: 0 0 100%;
    }

    .card {
        min-height: auto;
        padding: 1.5rem;
    }

    .card p {
        font-size: 1.5rem;
    }

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

@media (max-width: 480px) {
    .card {
        padding: var(--spacing-md);
    }
}