/* ============================================================
   KAY – Kamala Ashtanga Yoga — Design System
   Premium Wellness Aesthetic: warm earth tones, organic, serene
   ============================================================ */

/* --- Reset & Root --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette */
    --color-bg: #FAF7F2;
    --color-bg-warm: #F5EDE3;
    --color-bg-dark: #1C1914;
    --color-text: #2D2A26;
    --color-text-soft: #6B6560;
    --color-text-light: #F5EDE3;
    --color-accent: #B8956A;
    --color-accent-dark: #9A7C58;
    --color-sage: #8FA68B;
    --color-sage-soft: rgba(143, 166, 139, 0.12);
    --color-gold: #C9A96E;
    --color-gold-soft: rgba(201, 169, 110, 0.1);
    --color-border: rgba(45, 42, 38, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);

    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --space-2xl: 8rem;

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

    /* Transitions */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition: 280ms var(--ease-out);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

/* --- Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: all 400ms var(--ease-out);
}

.nav.scrolled {
    background: rgba(250, 247, 242, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.75rem 0;
    box-shadow: 0 1px 0 var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.7; }

.nav-logo-mark {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: #fff;
    line-height: 1;
    transition: color var(--transition);
}

.nav.scrolled .nav-logo-mark {
    color: var(--color-text);
}

.nav-logo-sub {
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    transition: color var(--transition);
}

.nav.scrolled .nav-logo-sub {
    color: var(--color-text-soft);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition);
    position: relative;
    cursor: pointer;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width var(--transition);
}
.nav-link:hover::after { width: 100%; }

.nav.scrolled .nav-link {
    color: var(--color-text-soft);
}
.nav.scrolled .nav-link:hover {
    color: var(--color-text);
}

.nav-link--cta {
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 100px;
    font-weight: 500;
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav.scrolled .nav-link--cta {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.nav.scrolled .nav-link--cta:hover {
    background: var(--color-accent);
    color: #fff;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: #fff;
    transition: all var(--transition);
}
.nav.scrolled .nav-toggle span {
    background: var(--color-text);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 4px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -4px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35) saturate(0.85);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(28, 25, 20, 0.3) 0%,
        rgba(28, 25, 20, 0.1) 40%,
        rgba(28, 25, 20, 0.6) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: var(--space-lg);
}

.hero-sutra {
    font-family: var(--font-heading);
    font-size: clamp(0.875rem, 1.5vw, 1.125rem);
    font-style: italic;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 1s 0.3s var(--ease-out) forwards;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 1s 0.5s var(--ease-out) forwards;
}

.hero-subtitle {
    font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeUp 1s 0.7s var(--ease-out) forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 1s 0.9s var(--ease-out) forwards;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.4);
    animation: bounce 2s infinite;
    z-index: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn--primary {
    background: var(--color-accent);
    color: #fff;
}
.btn--primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(184, 149, 106, 0.3);
}

.btn--outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
    padding: var(--space-2xl) 0;
}

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

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

.section--dark {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header--light .section-tag {
    color: var(--color-gold);
    border-color: rgba(201, 169, 110, 0.3);
}
.section-header--light .section-title {
    color: var(--color-text-light);
}

.section-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
    padding-bottom: 0.5rem;
    border-bottom: 1.5px solid var(--color-accent);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: 0.01em;
    color: var(--color-text);
}

.section-desc {
    margin-top: var(--space-sm);
    font-size: 1rem;
    color: var(--color-text-soft);
    font-weight: 300;
}

/* --- Grid Layouts --- */
.grid {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

.grid--2col {
    grid-template-columns: 1fr 1fr;
}

.grid--reverse {
    direction: rtl;
}
.grid--reverse > * {
    direction: ltr;
}

/* --- Content Block --- */
.content-block p {
    margin-bottom: var(--space-sm);
    color: var(--color-text-soft);
    font-size: 0.9375rem;
    line-height: 1.8;
}

.content-block--centered {
    max-width: 800px;
    margin: 0 auto var(--space-xl);
    text-align: center;
}

.text-lead {
    font-size: 1.125rem !important;
    color: var(--color-text) !important;
    font-weight: 400;
    line-height: 1.7 !important;
}

.text-accent {
    font-family: var(--font-heading);
    font-size: 1.125rem !important;
    font-style: italic;
    color: var(--color-accent) !important;
    font-weight: 500;
}

/* --- Image Card --- */
.image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms var(--ease-out);
}

.image-card:hover img {
    transform: scale(1.03);
}

.image-card--float {
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.08);
    aspect-ratio: 4/3;
}

.image-card--portrait {
    aspect-ratio: 3/4;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.08);
}

/* ============================================================
   QUOTE SECTION
   ============================================================ */
.quote-section {
    padding: var(--space-xl) 0;
    background: var(--color-bg-warm);
}

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

.quote {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.quote p {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.5;
    color: var(--color-text);
}

.quote-section--dark .quote p {
    color: var(--color-text-light);
}

.quote cite {
    display: block;
    margin-top: var(--space-md);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-style: normal;
    letter-spacing: 0.1em;
    color: var(--color-accent);
}

/* ============================================================
   EIGHT LIMBS GRID
   ============================================================ */
.limbs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.limb-card {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-md) var(--space-md);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.limb-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-sage));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 400ms var(--ease-out);
}

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

.limb-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    border-color: transparent;
}

.limb-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-accent);
    opacity: 0.4;
    line-height: 1;
    display: block;
    margin-bottom: 0.5rem;
}

.limb-name {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.limb-card p {
    font-size: 0.875rem;
    color: var(--color-text-soft);
    line-height: 1.7;
}

/* ============================================================
   SCHEDULE
   ============================================================ */
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-sm);
}

.schedule-day {
    background: #fff;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.schedule-day:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
}

.schedule-day-name {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    padding-bottom: 0.75rem;
    border-bottom: 1.5px solid var(--color-border);
}

.schedule-slot {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: var(--space-sm);
}

.schedule-slot:last-child { margin-bottom: 0; }

.schedule-time {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
}

.schedule-level {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.625rem;
    border-radius: 100px;
    display: inline-block;
    width: fit-content;
}

.schedule-level--all {
    background: var(--color-sage-soft);
    color: #5A7A56;
}
.schedule-level--advanced {
    background: var(--color-gold-soft);
    color: var(--color-accent-dark);
}
.schedule-level--mysore {
    background: rgba(139, 115, 165, 0.1);
    color: #7B5E9B;
}
.schedule-level--special {
    background: rgba(184, 149, 106, 0.12);
    color: var(--color-accent-dark);
}

.schedule-note {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    color: var(--color-text-soft);
    font-style: italic;
    max-width: 600px;
    margin-inline: auto;
}

/* ============================================================
   COURSES GRID
   ============================================================ */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
}

.course-card {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    background: #fff;
}

.course-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold-soft);
    border-radius: 50%;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.course-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.course-card p {
    font-size: 0.875rem;
    color: var(--color-text-soft);
    line-height: 1.8;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-sm);
}

.pricing-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card--popular,
.pricing-card--highlight {
    background: rgba(201, 169, 110, 0.1);
    border-color: var(--color-gold);
}

.pricing-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-gold);
    color: var(--color-bg-dark);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.875rem;
    border-radius: 100px;
    white-space: nowrap;
}

.pricing-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
}

.pricing-price {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 300;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.pricing-price span {
    font-size: 1.25rem;
    font-weight: 400;
}

.pricing-desc {
    font-size: 0.8125rem;
    color: rgba(245, 237, 227, 0.6);
}

/* ============================================================
   INFO GRID
   ============================================================ */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-md);
}

.info-item {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.info-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-sage-soft);
    border-radius: 12px;
    color: var(--color-sage);
}

.info-item h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.info-item p {
    font-size: 0.8125rem;
    color: var(--color-text-soft);
    line-height: 1.6;
}

/* ============================================================
   PUBLICATIONS
   ============================================================ */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-md);
}

.pub-card {
    display: block;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition);
    cursor: pointer;
}

.pub-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    background: #fff;
    border-color: var(--color-accent);
}

.pub-icon {
    display: block;
    font-size: 1.75rem;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.pub-card h3 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.pub-card p {
    font-size: 0.8125rem;
    color: var(--color-text-soft);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.pub-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: color var(--transition);
}

.pub-card:hover .pub-link {
    color: var(--color-accent-dark);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.rating-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: var(--space-md);
    background: var(--color-gold-soft);
    padding: 0.625rem 1.25rem;
    border-radius: 100px;
}

.stars {
    color: var(--color-gold);
    font-size: 1rem;
    letter-spacing: 2px;
}

.rating-badge span {
    font-size: 0.8125rem;
    color: var(--color-text-soft);
    font-weight: 500;
}

.testimonials-track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.testimonial-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
}

.testimonial-stars {
    color: var(--color-gold);
    font-size: 0.875rem;
    letter-spacing: 3px;
    margin-bottom: var(--space-sm);
}

.testimonial-card p {
    font-size: 0.875rem;
    color: var(--color-text-soft);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: var(--space-sm);
}

.testimonial-card cite {
    font-size: 0.8125rem;
    font-style: normal;
    font-weight: 500;
    color: var(--color-text);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(245, 237, 227, 0.5);
    line-height: 1.6;
}

.footer-col h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text-light);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: rgba(245, 237, 227, 0.6);
    line-height: 1.6;
}

.footer-col a {
    color: rgba(245, 237, 227, 0.6);
    transition: color var(--transition);
}
.footer-col a:hover {
    color: var(--color-gold);
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border-light);
    color: rgba(245, 237, 227, 0.6);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-bg-dark);
}

.footer-bottom {
    padding-top: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(245, 237, 227, 0.35);
}

.footer-legal span {
    font-size: 0.75rem;
    color: rgba(245, 237, 227, 0.35);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .grid--2col {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .grid--reverse {
        direction: ltr;
    }

    .image-card--portrait {
        aspect-ratio: 16/9;
        max-height: 400px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .testimonials-track {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 0;
        transition: right 400ms var(--ease-out);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link {
        color: var(--color-text) !important;
        font-size: 1rem;
        padding: 0.875rem 0;
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-link--cta {
        border: 1px solid var(--color-accent) !important;
        color: var(--color-accent) !important;
        width: auto;
        margin-top: var(--space-sm);
    }

    .section {
        padding: var(--space-xl) 0;
    }

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

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

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

    .testimonials-track {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

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

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

@media (max-width: 480px) {
    .schedule-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-title {
        font-size: 3rem;
    }

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

/* --- Prefers reduced motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}