/* ============================================
   UR Mind Therapy — Style System
   Stronger Mind, Brighter Life
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --blue: #4F7DED;
    --green: #6AC679;
    --blue-light: #6A93F5;
    --green-light: #85D492;
    --bg-light: #f0f8ff;
    --bg-white: #ffffff;
    --text-dark: #1E293B;
    --text-muted: #596577;
    --text-light: #94A3B8;
    --border: #E2E8F0;
    --shadow-sm: 0 2px 12px rgba(79, 125, 237, 0.08);
    --shadow-md: 0 8px 32px rgba(79, 125, 237, 0.12);
    --shadow-lg: 0 20px 60px rgba(79, 125, 237, 0.14);
    --shadow-glow: 0 0 40px rgba(79, 125, 237, 0.2);
    --solid-primary: #4F7DED;
    --solid-primary-hover: #3D6AD5;
    --solid-soft: rgba(79, 125, 237, 0.1);
    --solid-hero: #EDF1FA;
    --green-tint: rgba(106, 198, 121, 0.06);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    --font-primary: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-height: 100px;
}

.nav-logo img {
    height: auto;
    object-fit: contain;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
.text-gradient {
    color: var(--solid-primary);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 12px;
    position: relative;
    padding-left: 32px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 3px;
    background: var(--green);
    border-radius: 3px;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(79, 125, 237, 0.08);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-accent {
    color: var(--solid-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-family: var(--font-primary);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--solid-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-dark);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--solid-primary);
    color: white !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-full);
    font-weight: 600 !important;
    box-shadow: 0 4px 18px rgba(79, 125, 237, 0.3);
    transition: var(--transition);
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--solid-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(79, 125, 237, 0.4);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #FFFFFF 0%, #cbedff 70%);
    position: relative;
    overflow: hidden;
    padding-top: var(--nav-height);
    padding-bottom: 40px;
}

#brainContainer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#brainContainer canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    padding: 30px 24px;
}

.hero .hero-tag {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--green);
    letter-spacing: 1px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero .hero-headline {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.12;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.hero-accent {
    color: var(--green);
}

.hero .hero-subtext {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero .hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Hero CTA - standout green button */
.hero-cta {
    background: var(--solid-primary);
    color: #ffffff !important;
    padding: 18px 42px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 24px rgba(79, 125, 237, 0.35);
    transition: var(--transition);
    letter-spacing: 0.3px;
}

.hero-cta:hover {
    background: var(--solid-primary-hover);
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 8px 40px rgba(79, 125, 237, 0.45);
}

.hero-cta-secondary {
    background: #ffffff;
    color: var(--blue) !important;
    padding: 18px 42px;
    font-size: 1.05rem;
    font-weight: 600;
    border: 2px solid rgba(79, 125, 237, 0.2);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.hero-cta-secondary:hover {
    border-color: var(--blue);
    background: rgba(79, 125, 237, 0.12);
    transform: translateY(-3px);
}

.hero .hero-trust {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero .trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
    z-index: 3;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* Scrolled navbar on dark hero */
.navbar {
    transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--solid-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(79, 125, 237, 0.3);
}

.btn-primary:hover {
    background: var(--solid-primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(79, 125, 237, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.15);
    opacity: 0;
    transition: var(--transition);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: rgba(79, 125, 237, 0.08);
    color: var(--blue);
    border: 1.5px solid rgba(79, 125, 237, 0.2);
}

.btn-secondary:hover {
    background: rgba(79, 125, 237, 0.15);
    transform: translateY(-2px);
    border-color: var(--blue);
    color: var(--blue);
    box-shadow: 0 4px 16px rgba(79, 125, 237, 0.15);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--bg-white);
    position: relative;
}

.about::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(106, 198, 121, 0.03);
    pointer-events: none;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    max-width: 380px;
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.about-image-placeholder::before {
    content: '';
    position: absolute;
    inset: 8px;
    border-radius: calc(var(--radius-xl) - 4px);
    border: 1px solid rgba(79, 125, 237, 0.1);
}

.placeholder-text {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.about-badge {
    position: absolute;
    bottom: -16px;
    right: -16px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    box-shadow: 0 12px 40px rgba(79, 125, 237, 0.15);
    text-align: center;
    border: 1px solid rgba(79, 125, 237, 0.1);
}

.badge-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    color: var(--green);
    line-height: 1;
}

.badge-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.about-description {
    font-size: 1.02rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-description strong {
    color: var(--text-dark);
    font-weight: 600;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--border);
}

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

.stat-number {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    color: var(--solid-primary);
    line-height: 1;
}

.stat-plus {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--solid-primary);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: 100px 0;
    background: var(--bg-light);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--green);
    opacity: 0.25;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    border: 1px solid rgba(79, 125, 237, 0.08);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--solid-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-slow);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(79, 125, 237, 0.15);
    border-color: rgba(79, 125, 237, 0.15);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--blue);
    transition: var(--transition);
}

.service-link:hover {
    color: var(--green);
    gap: 10px;
}

/* ============================================
   PROGRAMS SECTION
   ============================================ */
.programs {
    padding: 100px 0;
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.programs-bg-shape {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(106, 198, 121, 0.05);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.programs-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.program-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    border: 1px solid rgba(79, 125, 237, 0.06);
    position: relative;
    overflow: hidden;
}

.program-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--green);
    transform: scaleX(0);
    transform-origin: right;
    transition: var(--transition-slow);
}

.program-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(79, 125, 237, 0.12);
    background: var(--bg-white);
    border-color: rgba(79, 125, 237, 0.12);
}

.program-card:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.program-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
}

.program-icon svg {
    width: 100%;
    height: 100%;
}

.program-title {
    font-family: var(--font-primary);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.program-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

.program-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 16px;
    border-radius: var(--radius-full);
    background: #ffffff;
    color: var(--green);
    border: 1px solid rgba(106, 198, 121, 0.15);
}

/* ============================================
   APPROACH SECTION
   ============================================ */
.approach {
    padding: 100px 0;
    background: var(--bg-light);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.approach-pillar {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 44px 36px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(79, 125, 237, 0.06);
    position: relative;
    overflow: hidden;
}

.pillar-glow {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(106, 198, 121, 0.08);
    transition: var(--transition-slow);
    pointer-events: none;
}

.approach-pillar:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(79, 125, 237, 0.12);
}

.approach-pillar:hover .pillar-glow {
    width: 240px;
    height: 240px;
    top: -100px;
    background: rgba(106, 198, 121, 0.12);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.approach-pillar:hover .pillar-icon {
    transform: scale(1.1);
}

.pillar-icon svg {
    width: 100%;
    height: 100%;
}

.pillar-title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.pillar-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   BOOKING SECTION
   ============================================ */
.booking {
    padding: 100px 0;
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.booking-bg-shape {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(106, 198, 121, 0.06);
    bottom: -200px;
    left: -200px;
    pointer-events: none;
}

.booking-container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.booking-desc {
    font-size: 1.02rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
}

.booking-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.detail-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--solid-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-item div:last-child {
    display: flex;
    flex-direction: column;
}

.detail-item strong {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

.detail-item span {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Form */
.booking-form-wrapper {
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid rgba(79, 125, 237, 0.1);
    position: relative;
    box-shadow: 0 8px 30px rgba(79, 125, 237, 0.06);
}

.booking-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 16px 16px 12px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--bg-white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(79, 125, 237, 0.15);
}

.form-label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--text-light);
    pointer-events: none;
    transition: var(--transition);
    background: transparent;
    padding: 0 4px;
}

.form-textarea ~ .form-label {
    top: 20px;
    transform: none;
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -10px;
    transform: none;
    font-size: 0.8rem;
    color: var(--blue);
    background: var(--bg-light);
    font-weight: 500;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-textarea:focus ~ .form-label,
.form-textarea:not(:placeholder-shown) ~ .form-label {
    top: -10px;
    transform: none;
    font-size: 0.8rem;
    color: var(--blue);
    background: var(--bg-light);
    font-weight: 500;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--solid-primary);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    transition: var(--transition);
}

.form-input:focus ~ .form-line {
    left: 0;
    width: 100%;
}

/* Form Success */
.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
    animation: fadeInScale 0.5s ease-out;
}

.form-success.show {
    display: block;
}

.form-success .success-icon {
    margin-bottom: 20px;
    animation: bounce-in 0.6s ease-out;
}

.form-success h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--solid-primary);
}

.form-success p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes bounce-in {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-light);
    padding: 60px 0 30px;
    position: relative;
}

.footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    line-height: 0;
    pointer-events: none;
}

.footer-wave svg {
    width: 100%;
    height: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border);
}

.footer-tagline {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--solid-primary);
    margin: 12px 0 8px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-links-col h4,
.footer-contact h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.footer-links-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-col a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links-col a:hover {
    color: var(--blue);
    padding-left: 6px;
}

.footer-contact p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--solid-soft);
    color: var(--blue);
    transition: var(--transition);
    border: 1px solid rgba(79, 125, 237, 0.1);
}

.social-icon:hover {
    background: var(--solid-primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(79, 125, 237, 0.35);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.footer-craft {
    color: var(--text-light);
}

/* ============================================
   ANIMATIONS & REVEALS
   ============================================ */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.15s !important; }
.delay-2 { animation-delay: 0.3s !important; }
.delay-3 { animation-delay: 0.45s !important; }
.delay-4 { animation-delay: 0.6s !important; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveals */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* delay classes for reveal elements */
.reveal-up.delay-1, .reveal-left.delay-1, .reveal-right.delay-1 { transition-delay: 0.15s; }
.reveal-up.delay-2, .reveal-left.delay-2, .reveal-right.delay-2 { transition-delay: 0.3s; }
.reveal-up.delay-3, .reveal-left.delay-3, .reveal-right.delay-3 { transition-delay: 0.45s; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-subtext {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-illustration {
        max-width: 320px;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .about-image-placeholder {
        margin: 0 auto;
        max-width: 300px;
    }

    .about-badge {
        right: 50%;
        transform: translateX(50%);
        bottom: -20px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .programs-slider {
        grid-template-columns: 1fr 1fr;
    }

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

    .approach-pillar:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .booking-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 70px;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        transform: translateX(100%);
        transition: var(--transition-slow);
        z-index: 1000;
        padding: 80px 20px 40px;
        overflow-y: auto;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.3rem;
        padding: 12px 0;
    }

    .nav-cta {
        margin-top: 12px;
    }

    /* Hide particle head on mobile for performance & readability */
    #brainContainer {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + 40px);
        padding-bottom: 60px;
    }

    .hero-headline {
        font-size: clamp(1.8rem, 7vw, 2.8rem);
    }

    .hero-subtext {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-cta,
    .hero-cta-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
        justify-content: center;
    }

    .hero-trust {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .hero-illustration {
        max-width: 260px;
    }

    section {
        padding: 60px 0;
    }

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

    .programs-slider {
        grid-template-columns: 1fr;
    }

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

    .approach-pillar:last-child {
        max-width: none;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .booking-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .booking-info {
        text-align: center;
    }

    .booking-form-wrapper {
        padding: 24px 16px;
    }

    .detail-item {
        justify-content: center;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .section-title {
        font-size: clamp(1.6rem, 5vw, 2.2rem);
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-headline {
        font-size: clamp(1.5rem, 8vw, 2rem);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta,
    .hero-cta-secondary {
        width: 100%;
        max-width: none;
        padding: 16px 24px;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
    }

    .hero-trust {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .about-container {
        text-align: center;
    }

    .about-image-placeholder {
        max-width: 250px;
        margin: 0 auto;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .service-card {
        padding: 24px 20px;
    }

    .program-card {
        padding: 24px 20px;
    }

    .approach-pillar {
        padding: 28px 20px;
    }

    .booking-form-wrapper {
        padding: 20px 14px;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
    }

    .whatsapp-tooltip {
        display: none;
    }

    .footer {
        padding: 40px 0 20px;
    }
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: whatsappBounce 2s ease-in-out 1s both;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, 0.3);
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    background: #1E293B;
    color: #ffffff;
    font-family: var(--font-primary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
    transition: var(--transition);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #1E293B;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes whatsappBounce {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes whatsappPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.15); opacity: 0; }
}

/* Utility for smooth overall feel */
::selection {
    background: rgba(79, 125, 237, 0.2);
    color: var(--text-dark);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--solid-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--blue);
}