/* =========================================================
   SISS.ACADEMY — Main Stylesheet
   Scuola Internazionale di Scienze per la Salute
   ========================================================= */

:root {
    --color-primary: #2563EB;
    --color-primary-light: #60A5FA;
    --color-primary-dark: #1D4ED8;
    --color-primary-soft: #DBEAFE;

    --color-pink: #E91E63;
    --color-pink-soft: #FCE4EC;
    --color-teal: #10B981;
    --color-teal-soft: #D1FAE5;
    --color-amber: #F59E0B;
    --color-amber-soft: #FEF3C7;

    --color-ink: #0F0F1A;
    --color-ink-soft: #1F1F2E;
    --color-text: #2A2A3A;
    --color-text-muted: #6B6B7B;
    --color-text-faint: #9999A8;

    --color-bg: #FFFFFF;
    --color-bg-alt: #F8F8FC;
    --color-bg-soft: #F1F1F8;
    --color-border: #E8E8F0;

    --font-display: 'Manrope', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --shadow-sm: 0 2px 10px rgba(15, 15, 26, 0.04);
    --shadow-md: 0 10px 40px rgba(15, 15, 26, 0.08);
    --shadow-lg: 0 30px 80px rgba(37, 99, 235, 0.15);
    --shadow-glow: 0 20px 60px rgba(37, 99, 235, 0.35);

    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.25s cubic-bezier(0.16, 1, 0.3, 1);

    --container-padding: clamp(1.25rem, 4vw, 3rem);
}

/* =========================================================
   RESET & BASE
   ========================================================= */

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

ol, ul {
    padding-left: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    font-feature-settings: 'ss01', 'cv01', 'cv11';
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

::selection {
    background: var(--color-primary);
    color: white;
}

/* =========================================================
   TYPOGRAPHY
   ========================================================= */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--color-ink);
    line-height: 1.1;
    letter-spacing: -0.025em;
    font-weight: 800;
}

.display-1 {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--color-ink);
}

.display-2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.035em;
    color: var(--color-ink);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1.25rem;
}

.section-eyebrow::before {
    content: '';
    width: 28px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.section-title .accent {
    color: var(--color-primary);
}

.section-lead {
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 680px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* =========================================================
   LAYOUT
   ========================================================= */

.section {
    padding: clamp(4rem, 8vw, 8rem) 0;
    position: relative;
}

.section-sm {
    padding: clamp(3rem, 5vw, 5rem) 0;
}

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

.section-dark {
    background: var(--color-ink);
    color: white;
}

.section-dark h1, .section-dark h2, .section-dark h3 {
    color: white;
}

.container,
.container-fluid {
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

@media (min-width: 1400px) {
    .container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
        max-width: 1280px;
    }
}

/* =========================================================
   NAVBAR
   ========================================================= */

.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition);
    background: transparent;
}

.site-nav.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.65rem 0;
}

.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-nav .navbar-brand img {
    height: 56px;
    width: auto;
    transition: height var(--transition);
}

.site-nav.scrolled .navbar-brand img {
    height: 46px;
}

@media (max-width: 575.98px) {
    .site-nav .navbar-brand img,
    .site-nav.scrolled .navbar-brand img {
        height: 42px;
    }
}

.site-nav .nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.site-nav .nav-menu a:not(.btn) {
    color: var(--color-ink-soft);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-fast);
}

.site-nav .nav-menu a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}

.site-nav .nav-menu a:not(.btn):hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.site-nav .nav-menu a.btn {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
}

.site-nav .nav-menu a.btn-accent {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.32);
}

.site-nav .nav-menu a.btn-accent:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.45);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-soft);
    border-radius: 12px;
    color: var(--color-primary);
}

.nav-toggle svg {
    width: 22px;
    height: 22px;
}

@media (max-width: 991.98px) {
    .site-nav .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(360px, 88vw);
        background: white;
        flex-direction: column;
        align-items: stretch;
        padding: 6rem 2rem 2rem;
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.1);
        transform: translateX(100%);
        transition: transform 0.5s cubic-bezier(0.7, 0, 0.3, 1);
        gap: 1.5rem;
    }

    .site-nav .nav-menu.open {
        transform: translateX(0);
    }

    .nav-toggle {
        display: inline-flex;
        z-index: 1001;
    }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(15, 15, 26, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
        z-index: 999;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* =========================================================
   BUTTONS
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.75rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.98rem;
    border-radius: 999px;
    border: 1.5px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    line-height: 1.2;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.btn:hover svg.arrow {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--color-ink);
    color: white;
    border-color: var(--color-ink);
}

.btn-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-accent {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-accent:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-ink);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background: var(--color-ink);
    color: white;
    border-color: var(--color-ink);
    transform: translateY(-2px);
}

.btn-ghost {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--color-primary);
    color: white;
}

.btn-lg {
    padding: 1.15rem 2.25rem;
    font-size: 1.05rem;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
    position: relative;
    min-height: 100vh;
    padding: 8rem 0 5rem;
    overflow: hidden;
    background: linear-gradient(180deg, #FAFAFE 0%, #FFFFFF 100%);
}

.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: -200px;
    right: -100px;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-pink) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    opacity: 0.25;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-teal) 0%, transparent 70%);
    top: 30%;
    left: 40%;
    opacity: 0.2;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 980px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--color-teal);
    border-radius: 50%;
    position: relative;
}

.hero-badge .dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--color-teal);
    border-radius: 50%;
    opacity: 0.4;
    animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(2); opacity: 0; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 7vw, 5.75rem);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: -0.04em;
    color: var(--color-ink);
    margin-bottom: 1.75rem;
}

.hero-title .line {
    display: block;
    overflow: hidden;
}

.hero-title .line span {
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 640px;
    margin: 0 auto 2.75rem;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2rem;
    max-width: 720px;
    margin: 0 auto;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.hero-stat {
    text-align: center;
}

.hero-stat .value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 800;
    color: var(--color-ink);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.35rem;
}

.hero-stat .label {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Marquee */
.marquee {
    overflow: hidden;
    padding: 1.5rem 0;
    background: var(--color-ink);
    color: white;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.marquee-track {
    display: flex;
    gap: 3rem;
    white-space: nowrap;
    animation: marquee 40s linear infinite;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: -0.02em;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 3rem;
}

.marquee-item::after {
    content: '';
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* =========================================================
   CARDS
   ========================================================= */

.card-feature {
    background: white;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 3vw, 2.5rem);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.card-feature:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-feature .card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-feature .card-icon svg {
    width: 28px;
    height: 28px;
}

.card-feature .card-icon.pink { background: var(--color-pink-soft); color: var(--color-pink); }
.card-feature .card-icon.teal { background: var(--color-teal-soft); color: var(--color-teal); }
.card-feature .card-icon.amber { background: var(--color-amber-soft); color: var(--color-amber); }

.card-feature h3 {
    font-size: 1.55rem;
    margin-bottom: 0.85rem;
    line-height: 1.15;
}

.card-feature p {
    color: var(--color-text-muted);
    line-height: 1.65;
}

.card-feature .req {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-border);
    font-size: 0.95rem;
}

.card-feature .req strong {
    color: var(--color-primary);
}

/* =========================================================
   MODULES (Curriculum)
   ========================================================= */

.modules-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    padding: 0.5rem;
    background: var(--color-bg-alt);
    border-radius: 999px;
    max-width: max-content;
    margin-left: auto;
    margin-right: auto;
}

.module-tab {
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--color-text-muted);
    transition: all var(--transition);
    white-space: nowrap;
}

.module-tab:hover {
    color: var(--color-ink);
}

.module-tab.active {
    background: var(--color-ink);
    color: white;
}

.module-tab[data-color="blue"].active { background: var(--color-primary); }
.module-tab[data-color="teal"].active { background: var(--color-teal); }
.module-tab[data-color="pink"].active { background: var(--color-pink); }
.module-tab[data-color="amber"].active { background: var(--color-amber); }

.modules-panel {
    display: none;
}

.modules-panel.active {
    display: block;
}

.module-card {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    padding: 1.75rem;
    background: white;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--transition);
}

.module-card:hover {
    transform: translateX(4px);
    border-color: currentColor;
}

.module-card:hover::before {
    opacity: 1;
}

.module-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    color: currentColor;
    letter-spacing: -0.04em;
}

.module-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
    color: var(--color-ink);
    line-height: 1.3;
}

.module-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.55;
    margin: 0;
}

.modules-panel[data-color="blue"] .module-card { color: var(--color-primary); }
.modules-panel[data-color="teal"] .module-card { color: var(--color-teal); }
.modules-panel[data-color="pink"] .module-card { color: var(--color-pink); }
.modules-panel[data-color="amber"] .module-card { color: var(--color-amber); }

@media (max-width: 575.98px) {
    .module-card {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    .module-number {
        font-size: 2rem;
    }
}

/* =========================================================
   TIMELINE (Calendario)
   ========================================================= */

.timeline {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-pink) 100%);
    border-radius: 2px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 2rem;
    margin-bottom: 1.25rem;
    position: relative;
}

.timeline-dot {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--color-primary);
    font-size: 1.1rem;
    z-index: 2;
    position: relative;
    flex-shrink: 0;
}

.timeline-item.online .timeline-dot {
    border-color: var(--color-teal);
    color: var(--color-teal);
}

.timeline-item.live .timeline-dot {
    border-color: var(--color-pink);
    color: var(--color-pink);
    background: var(--color-pink);
    color: white;
}

.timeline-card {
    background: white;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    transition: all var(--transition);
}

.timeline-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.timeline-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.5rem;
}

.timeline-item.online .timeline-tag {
    background: var(--color-teal-soft);
    color: var(--color-teal);
}

.timeline-item.live .timeline-tag {
    background: var(--color-pink-soft);
    color: var(--color-pink);
}

.timeline-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--color-ink);
}

.timeline-card p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* =========================================================
   PRICING
   ========================================================= */

.pricing-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 960px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .pricing-wrap {
        grid-template-columns: 1.5fr 1fr;
    }
}

.pricing-card {
    background: linear-gradient(135deg, var(--color-ink) 0%, #2A2055 100%);
    color: white;
    border-radius: var(--radius-xl);
    padding: clamp(2rem, 4vw, 3.5rem);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 60%);
    opacity: 0.5;
    pointer-events: none;
}

.pricing-card * {
    position: relative;
    z-index: 1;
}

.pricing-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.pricing-badge .pricing-pulse {
    width: 8px;
    height: 8px;
    background: var(--color-teal);
    border-radius: 50%;
    box-shadow: 0 0 0 0 var(--color-teal);
    animation: pulse-dot 1.6s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
    50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.pricing-card h3 {
    color: white;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: 0.75rem;
}

.pricing-card .lead {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

.pricing-original {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.pricing-original .old-price {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.2rem;
}

.pricing-original .discount {
    background: var(--color-pink);
    color: white;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-amount {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.pricing-amount .currency {
    font-size: 0.5em;
    color: var(--color-primary-light);
}

.pricing-amount .iva {
    font-size: 0.3em;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

.pricing-installments {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.pricing-side {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pricing-feature {
    background: white;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.pricing-feature .icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pricing-feature .icon svg {
    width: 22px;
    height: 22px;
}

.pricing-feature h5 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-ink);
}

.pricing-feature p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* =========================================================
   FAQ
   ========================================================= */

.faq-item {
    background: white;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 0.85rem;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.open {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.4rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-ink);
    line-height: 1.3;
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition);
}

.faq-item.open .faq-icon {
    background: var(--color-primary);
    color: white;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-inner {
    padding: 0 1.75rem 1.5rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* =========================================================
   CTA Section
   ========================================================= */

.cta-section {
    position: relative;
    overflow: hidden;
    background: var(--color-ink);
    color: white;
    border-radius: var(--radius-xl);
    padding: clamp(3rem, 6vw, 6rem) clamp(1.5rem, 4vw, 4rem);
    text-align: center;
    margin: clamp(3rem, 6vw, 6rem) auto;
    max-width: 1200px;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(233, 30, 99, 0.25) 0%, transparent 50%);
    pointer-events: none;
}

.cta-section * {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: white;
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: 1.25rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.cta-section .btn-primary {
    background: white;
    color: var(--color-ink);
    border-color: white;
}

.cta-section .btn-primary:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.cta-section .btn-outline {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-section .btn-outline:hover {
    background: white;
    color: var(--color-ink);
    border-color: white;
}

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
    background: var(--color-ink);
    color: rgba(255, 255, 255, 0.7);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
    }
}

.footer-brand img {
    height: 60px;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-col h5 {
    color: white;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
}

/* =========================================================
   FORMS
   ========================================================= */

.form-page {
    padding: 8rem 0 6rem;
    background: linear-gradient(180deg, #FAFAFE 0%, #FFFFFF 100%);
    min-height: 100vh;
}

.form-card {
    background: white;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(2rem, 4vw, 3.5rem);
    box-shadow: var(--shadow-md);
    max-width: 760px;
    margin: 0 auto;
}

.form-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3rem;
}

.form-intro h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.form-intro p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
}

.form-row {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row.cols-2 {
    grid-template-columns: 1fr;
}

@media (min-width: 576px) {
    .form-row.cols-2 {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-ink);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.form-group label .req-mark {
    color: var(--color-pink);
}

.form-control,
.form-select,
.form-group textarea {
    width: 100%;
    padding: 0.95rem 1.1rem;
    background: white;
    border: 1.5px solid var(--color-border);
    border-radius: 14px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-ink);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-soft);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.5;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem;
    background: var(--color-bg-alt);
    border: 1.5px solid var(--color-border);
    border-radius: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-check:hover {
    border-color: var(--color-primary);
}

.form-check input[type="checkbox"] {
    margin: 0;
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.form-check label {
    font-size: 0.92rem;
    font-weight: 400;
    color: var(--color-text);
    cursor: pointer;
    line-height: 1.5;
}

.form-check label a {
    text-decoration: underline;
    color: var(--color-primary);
}

.form-section-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-ink);
    font-weight: 700;
    margin: 2rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.form-section-title:first-of-type {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

.form-submit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.form-submit .btn {
    width: 100%;
    max-width: 360px;
}

.form-note {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Course summary on enrollment page */
.course-summary {
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, white 100%);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 2rem;
}

.course-summary h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-ink);
}

.course-summary .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
    color: var(--color-text);
    font-size: 0.92rem;
}

.course-summary .meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.course-summary .meta svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.course-summary .price-line {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--color-primary);
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.course-summary .price-line .old {
    color: var(--color-text-muted);
    text-decoration: line-through;
    font-size: 1rem;
}

.course-summary .price-line .new {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
}

.course-summary .price-line .iva {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Thank you page */
.thanks-card {
    text-align: center;
    background: white;
    border-radius: var(--radius-xl);
    padding: clamp(2.5rem, 5vw, 5rem) clamp(2rem, 4vw, 4rem);
    box-shadow: var(--shadow-md);
    max-width: 640px;
    margin: 0 auto;
    border: 1.5px solid var(--color-border);
}

.thanks-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-teal) 0%, #34D399 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.3);
    animation: bounceIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.thanks-icon svg {
    width: 48px;
    height: 48px;
}

@keyframes bounceIn {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.15); opacity: 1; }
    100% { transform: scale(1); }
}

.thanks-card h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.thanks-card p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* =========================================================
   UTILITIES
   ========================================================= */

.text-center { text-align: center; }
.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 4rem;
}

.section-head .section-eyebrow {
    justify-content: center;
}

.section-head .section-lead {
    margin-left: auto;
    margin-right: auto;
}

.divider-wave {
    height: 80px;
    background: var(--color-bg-alt);
    clip-path: polygon(0 0, 100% 60%, 100% 100%, 0 100%);
}

/* GSAP animation helpers */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
}

.fade-in {
    opacity: 0;
}

.split-text {
    overflow: hidden;
    display: inline-block;
}

.split-text > span {
    display: inline-block;
}

/* Loader */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-ink);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-logo {
    width: 80px;
    height: 80px;
    animation: loaderPulse 1.4s ease-in-out infinite;
}

@keyframes loaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

/* Scroll to top */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-ink);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    z-index: 998;
}

.scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.scroll-top:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

/* About + Mission block */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 4vw, 5rem);
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1.05fr 1fr;
    }
}

.about-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    max-width: 480px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.about-orbit {
    width: 100%;
    height: 100%;
    overflow: visible;
}

/* Outer dashed ring — slow rotation */
.orbit-outer {
    transform-origin: 250px 250px;
    transform-box: view-box;
    animation: orbitSpin 70s linear infinite;
}

/* Module dots — counter-rotation */
.orbit-dots {
    transform-origin: 250px 250px;
    transform-box: view-box;
    animation: orbitSpin 90s linear infinite reverse;
}

@keyframes orbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Brand mark — breathing pulse */
.brand-pulse {
    transform-origin: 0 0;
    transform-box: fill-box;
    animation: brandBreath 4.5s ease-in-out infinite;
}

@keyframes brandBreath {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.06); }
}

/* Particles float */
.particle { animation: particleFloat 6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.particle.p1 { animation-delay: 0s;   }
.particle.p2 { animation-delay: 1.2s; }
.particle.p3 { animation-delay: 2.4s; }
.particle.p4 { animation-delay: 0.6s; }
.particle.p5 { animation-delay: 1.8s; animation-duration: 4s; }

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0)   scale(1);   opacity: var(--p-op, 0.55); }
    50%      { transform: translate(0, -18px) scale(1.15); opacity: 1; }
}

.about-floats {
    position: absolute;
    inset: 0;
}

.about-float {
    position: absolute;
    background: white;
    border-radius: 14px;
    padding: 0.65rem 0.95rem;
    box-shadow: 0 14px 38px rgba(15, 15, 26, 0.12);
    border: 1px solid rgba(15, 15, 26, 0.05);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--color-ink);
    white-space: nowrap;
    z-index: 2;
}

.about-float .icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.about-float .icon svg {
    width: 15px;
    height: 15px;
}

.about-float-1 { top: 4%; left: -14%; }
.about-float-1 .icon { background: var(--color-primary); }

.about-float-2 { top: 50%; right: -16%; transform: translateY(-50%); }
.about-float-2 .icon { background: var(--color-pink); }

.about-float-3 { bottom: 4%; left: -6%; }
.about-float-3 .icon { background: var(--color-teal); }

@media (max-width: 991.98px) {
    .about-float-1 { left: 2%; }
    .about-float-2 { right: 2%; }
    .about-float-3 { left: 6%; }
}

@media (max-width: 575.98px) {
    .about-float { padding: 0.55rem 0.8rem; font-size: 0.76rem; gap: 0.5rem; }
    .about-float .icon { width: 24px; height: 24px; }
    .about-float .icon svg { width: 13px; height: 13px; }
}

/* =========================================================
   RESPONSIVE TWEAKS
   ========================================================= */

@media (max-width: 767.98px) {
    body { font-size: 16px; }
    .hero { padding-top: 6rem; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { width: 100%; }
    .timeline::before { left: 18px; }
    .timeline-item { grid-template-columns: 40px 1fr; gap: 1rem; }
    .timeline-dot { width: 40px; height: 40px; font-size: 0.95rem; }
}