/* ============================================================
   Brainix Tuition — Design System
   ============================================================ */

:root {
    --primary-blue: #1A56DB;
    --primary-green: #0EA66C;
    --blue-tint: #E8EFFE;
    --green-tint: #E6F9F1;
    --dark: #111827;
    --gray: #6B7280;
    --white: #FFFFFF;

    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    --gradient-soft: linear-gradient(135deg, var(--blue-tint) 0%, var(--green-tint) 100%);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 999px;

    --shadow-sm: 0 2px 8px rgba(17, 24, 39, 0.06);
    --shadow-md: 0 8px 24px rgba(17, 24, 39, 0.08);
    --shadow-lg: 0 16px 40px rgba(17, 24, 39, 0.12);

    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.25;
    color: var(--dark);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

@media (max-width: 768px) {
    .section { padding: 56px 0; }
}

/* ---- Section heading ---- */
.section-header { text-align: center; margin-bottom: 48px; }
.section-badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: var(--radius-full);
    background: var(--blue-tint);
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 12px; }
.section-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.section-subtitle { color: var(--gray); font-size: 1.05rem; max-width: 640px; margin: 0 auto; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
    border: 2px solid transparent;
}
.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--blue-tint);
}
.btn-secondary:hover { background: var(--blue-tint); transform: translateY(-3px); }

.btn-outline-white {
    background: rgba(255,255,255,0.12);
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
    backdrop-filter: blur(6px);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.25); transform: translateY(-3px); }

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: rgba(17,24,39,0.05);
}
.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}
.navbar-brand { display: flex; align-items: center; gap: 12px; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.25rem; }
.navbar-logo {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-weight: 800; font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
}
.navbar-menu { display: flex; align-items: center; gap: 32px; }
.navbar-links { display: flex; align-items: center; gap: 28px; }
.navbar-links a {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    transition: var(--transition);
}
.navbar-links a:hover, .navbar-links a.active { color: var(--primary-blue); }
.navbar-links a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -6px;
    width: 0; height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}
.navbar-links a:hover::after, .navbar-links a.active::after { width: 100%; }
.navbar-actions { display: flex; align-items: center; gap: 12px; }
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.navbar-toggle span { width: 24px; height: 2px; background: var(--dark); border-radius: 2px; transition: var(--transition); }

@media (max-width: 992px) {
    .navbar-toggle { display: flex; }
    .navbar-menu {
        position: absolute;
        top: 76px; left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    .navbar-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
    .navbar-links { flex-direction: column; align-items: flex-start; gap: 16px; }
    .navbar-actions { flex-direction: column; align-items: stretch; }
    .navbar-actions .btn { width: 100%; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: var(--white);
    overflow: hidden;
    padding-top: 76px;
}
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.35;
    animation: float 10s ease-in-out infinite;
}
.hero-blob.b1 { width: 380px; height: 380px; background: var(--white); top: -120px; right: -80px; }
.hero-blob.b2 { width: 300px; height: 300px; background: var(--primary-green); bottom: -100px; left: -60px; animation-delay: -3s; }
.hero-blob.b3 { width: 220px; height: 220px; background: var(--white); bottom: 20%; right: 18%; animation-delay: -6s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -30px) scale(1.08); }
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    padding: 64px 0;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.25);
}
.hero-title {
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    color: var(--white);
    margin-bottom: 8px;
}
.hero-subtitle {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    margin-bottom: 20px;
    opacity: 0.95;
}
.hero-description {
    font-size: 1.05rem;
    max-width: 560px;
    opacity: 0.9;
    margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 32px;
}
.hero-stat-value { font-family: 'Poppins', sans-serif; font-size: 1.8rem; font-weight: 700; }
.hero-stat-label { font-size: 0.85rem; opacity: 0.85; }

.hero-visual { position: relative; height: 460px; }
.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.16);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 14px;
    animation: floatCard 6s ease-in-out infinite;
    color: var(--white);
    font-weight: 600;
}
.floating-card .icon-circle {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--white);
    color: var(--primary-blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.floating-card.fc1 { top: 6%; left: 4%; animation-delay: 0s; }
.floating-card.fc2 { top: 42%; right: 0; animation-delay: -2s; }
.floating-card.fc3 { bottom: 4%; left: 12%; animation-delay: -4s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

.hero-wave { position: absolute; bottom: -1px; left: 0; width: 100%; line-height: 0; z-index: 2; }
.hero-wave svg { width: 100%; height: 80px; display: block; }

@media (max-width: 992px) {
    .hero-inner { grid-template-columns: 1fr; padding: 48px 0; }
    .hero-visual { height: 320px; margin-top: 16px; }
    .hero-stats { grid-template-columns: repeat(2, auto); gap: 24px; }
}

/* ============================================================
   HIGHLIGHT CARDS
   ============================================================ */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: -90px;
    position: relative;
    z-index: 5;
}
.highlight-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    text-align: left;
}
.highlight-card:hover { transform: translateY(-8px); box-shadow: 0 24px 48px rgba(17,24,39,0.16); }
.highlight-icon {
    width: 56px; height: 56px;
    border-radius: var(--radius-md);
    background: var(--gradient-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
}
.highlight-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.highlight-card p { color: var(--gray); font-size: 0.95rem; }

@media (max-width: 992px) {
    .highlights-grid { grid-template-columns: 1fr; margin-top: 32px; }
}

/* ============================================================
   COUNTERS
   ============================================================ */
.counters-section { background: var(--gradient-soft); }
.counters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.counter-value {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.counter-label { color: var(--gray); font-weight: 500; margin-top: 4px; }

@media (max-width: 768px) {
    .counters-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
    align-items: center;
}
.about-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}
.about-card h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 16px; }
.about-card p { opacity: 0.92; margin-bottom: 24px; }
.value-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.value-badge {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.about-content h2 { margin-bottom: 18px; }
.about-content p { color: var(--gray); margin-bottom: 16px; }

@media (max-width: 992px) {
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   COURSES / TABS
   ============================================================ */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.tab-btn {
    padding: 12px 28px;
    border-radius: var(--radius-full);
    background: var(--blue-tint);
    color: var(--primary-blue);
    font-weight: 600;
    transition: var(--transition);
}
.tab-btn:hover { background: var(--green-tint); color: var(--primary-green); }
.tab-btn.active { background: var(--gradient-primary); color: var(--white); box-shadow: var(--shadow-md); }

.subtabs-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.subtab-btn {
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: var(--white);
    border: 1.5px solid var(--blue-tint);
    color: var(--gray);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}
.subtab-btn:hover { border-color: var(--primary-blue); color: var(--primary-blue); }
.subtab-btn.active { background: var(--blue-tint); border-color: var(--primary-blue); color: var(--primary-blue); }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.4s ease; }
.subtab-panel { display: none; }
.subtab-panel.active { display: block; animation: fadeIn 0.4s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.course-card {
    background: var(--white);
    border: 1px solid #EEF0F4;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.course-card .course-tag {
    display: inline-flex;
    align-self: flex-start;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    background: var(--green-tint);
    color: var(--primary-green);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.course-card h3 { font-size: 1.15rem; }
.course-card .course-meta { color: var(--gray); font-size: 0.85rem; }
.course-card p { color: var(--gray); font-size: 0.92rem; flex-grow: 1; }
.course-card .course-topics { font-size: 0.82rem; color: var(--gray); }
.course-card .course-topics strong { color: var(--dark); }
.course-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray);
    background: var(--blue-tint);
    border-radius: var(--radius-lg);
    grid-column: 1 / -1;
}

/* ============================================================
   HOW IT WORKS / STEPPER
   ============================================================ */
.platforms-row { display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; margin-bottom: 56px; }
.platform-pill {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}
.step-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); }
.step-number {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-md);
}
.step-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.step-card p { color: var(--gray); font-size: 0.92rem; }

@media (max-width: 992px) {
    .steps-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   DEMO BOOKING
   ============================================================ */
.demo-section {
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.demo-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.demo-info h2 { color: var(--white); }
.demo-info p { opacity: 0.92; margin: 16px 0 24px; }
.demo-info ul { display: flex; flex-direction: column; gap: 12px; }
.demo-info li { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.demo-form-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    color: var(--dark);
}

@media (max-width: 992px) {
    .demo-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ---- Forms ---- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-weight: 600; font-size: 0.88rem; }
.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid #E5E7EB;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--blue-tint);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.form-message { margin-top: 12px; padding: 12px 16px; border-radius: var(--radius-sm); font-weight: 500; font-size: 0.9rem; display: none; }
.form-message.success { display: block; background: var(--green-tint); color: var(--primary-green); }
.form-message.error { display: block; background: #FEE2E2; color: #B91C1C; }

@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonial-carousel { position: relative; overflow: hidden; }
.testimonial-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s ease;
}
.testimonial-card {
    flex: 0 0 calc(33.333% - 16px);
    background: var(--white);
    border: 1px solid #EEF0F4;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}
.testimonial-rating { color: #F59E0B; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-card p.message { color: var(--dark); margin-bottom: 18px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--gradient-soft);
    color: var(--primary-blue);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.95rem; }
.testimonial-role { color: var(--gray); font-size: 0.82rem; }

.carousel-controls { display: flex; justify-content: center; gap: 12px; margin-top: 28px; }
.carousel-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--blue-tint);
    color: var(--primary-blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}
.carousel-btn:hover { background: var(--gradient-primary); color: var(--white); }

@media (max-width: 992px) {
    .testimonial-card { flex: 0 0 calc(50% - 12px); }
}
@media (max-width: 640px) {
    .testimonial-card { flex: 0 0 100%; }
}

/* ============================================================
   RESULTS LOOKUP
   ============================================================ */
.results-card {
    max-width: 560px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-md);
    text-align: center;
}
.results-card .form-group { text-align: left; }
.results-table-wrap { margin-top: 32px; overflow-x: auto; }
table.results-table { width: 100%; border-collapse: collapse; }
table.results-table th, table.results-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid #EEF0F4;
    font-size: 0.9rem;
}
table.results-table th { color: var(--gray); font-weight: 600; background: var(--blue-tint); }
.badge { display: inline-block; padding: 4px 12px; border-radius: var(--radius-full); font-size: 0.78rem; font-weight: 700; }
.badge-pass { background: var(--green-tint); color: var(--primary-green); }
.badge-fail { background: #FEE2E2; color: #B91C1C; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; }
.contact-cards { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
    display: flex; gap: 16px; align-items: flex-start;
    background: var(--white);
    border: 1px solid #EEF0F4;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.contact-card .icon-circle {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--gradient-soft);
    color: var(--primary-blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.contact-card h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-card p { color: var(--gray); font-size: 0.9rem; }
.contact-form-card {
    background: var(--white);
    border: 1px solid #EEF0F4;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

@media (max-width: 992px) {
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--dark); color: #D1D5DB; padding: 64px 0 24px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 18px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--white); }
.footer p { color: #9CA3AF; font-size: 0.9rem; }
.footer ul { display: flex; flex-direction: column; gap: 10px; }
.footer ul a { color: #9CA3AF; font-size: 0.9rem; transition: var(--transition); }
.footer ul a:hover { color: var(--white); }
.footer-socials { display: flex; gap: 12px; margin-top: 16px; }
.footer-socials a {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    transition: var(--transition);
}
.footer-socials a:hover { background: var(--gradient-primary); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: #6B7280;
}

@media (max-width: 992px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FLOATING ELEMENTS
   ============================================================ */
.whatsapp-bubble {
    position: fixed;
    bottom: 28px; right: 28px;
    width: 60px; height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    animation: pulse 2.4s infinite;
}
.whatsapp-bubble:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }
.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    background: var(--dark);
    color: var(--white);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.sticky-demo-btn {
    position: fixed;
    bottom: 28px; left: 28px;
    z-index: 999;
}
@media (max-width: 992px) {
    .sticky-demo-btn { display: none; }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 768px) { .grid-2 { grid-template-columns: 1fr; } }

.page-hero {
    background: var(--gradient-soft);
    padding: 64px 0;
    text-align: center;
}
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 12px; }
.page-hero p { color: var(--gray); max-width: 600px; margin: 0 auto; }

/* ---- Animation reveal ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }