@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&display=swap');
@import url('variables.css');

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-body);
    line-height: var(--line-height-body);
    color: var(--color-text-light);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: var(--line-height-heading);
    font-weight: 600;
    color: var(--color-text-light);
}

/* ===== SKIP LINK ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-accent);
    color: white;
    padding: 12px 24px;
    z-index: 10000;
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== SECTION ===== */
.section {
    padding: var(--section-padding) var(--container-padding);
    position: relative;
}

.section--primary {
    background-color: var(--color-bg-primary);
}

.section--secondary {
    background-color: var(--color-bg-secondary);
}

.section--darkest {
    background-color: var(--color-bg-darkest);
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--section-header-mb);
}

.section-badge {
    display: inline-block;
    padding: 6px 20px;
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent-border);
    color: var(--color-accent);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--gap-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--text-section);
    color: var(--color-text-light);
    margin-bottom: var(--gap-md);
    font-weight: 600;
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: var(--text-body);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== DIVIDER LINE ===== */
.section-divider {
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    margin: var(--gap-lg) auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-text-light);
    padding: 18px 40px;
    font-size: 12px;
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-accent);
}

.btn--outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 16px 36px;
    font-size: 12px;
}

.btn--outline:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-accent);
}

.btn--lg {
    padding: 20px 48px;
    font-size: 13px;
}

.btn--sm {
    padding: 12px 24px;
    font-size: 11px;
    letter-spacing: 1.5px;
}

.btn--full {
    width: 100%;
}

/* ===== CARDS ===== */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: clamp(30px, 4vw, 50px) clamp(20px, 3vw, 40px);
    position: relative;
    transition: all var(--transition-base);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--color-shadow);
    border-color: var(--color-accent-border);
}

.card:hover::before {
    transform: scaleX(1);
}

/* ===== CHECK LIST ===== */
.check-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.check-list__item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--text-small);
    color: var(--color-text-muted);
}

.check-list__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--color-accent);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

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

@keyframes scrollPulse {
    0%, 100% {
        transform: scaleY(1);
        opacity: 1;
    }
    50% {
        transform: scaleY(0.6);
        opacity: 0.5;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .section {
        padding: 80px var(--container-padding);
    }

    .section-header {
        margin-bottom: 50px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 20px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .btn--lg {
        padding: 16px 32px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 50px 15px;
    }
}