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

:root {
    --primary: #1a3a4a;
    --primary-light: #2a5a6a;
    --accent: #00b4d8;
    --accent-dark: #0096b7;
    --gold: #c9a96e;
    --gold-light: #d4b87a;
    --dark: #0d1b2a;
    --gray-900: #1b2838;
    --gray-800: #2d3748;
    --gray-700: #4a5568;
    --gray-600: #718096;
    --gray-400: #a0aec0;
    --gray-200: #e2e8f0;
    --gray-100: #f7fafc;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #1a3a4a 0%, #2a5a6a 100%);
    --gradient-accent: linear-gradient(135deg, #00b4d8 0%, #0096b7 100%);
    --gradient-gold: linear-gradient(135deg, #c9a96e 0%, #d4b87a 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--gray-800);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--white);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 2rem;
}

.navbar.scrolled .nav-logo {
    color: var(--primary);
}

.navbar.scrolled .nav-link {
    color: var(--gray-700);
}

.navbar.scrolled .nav-link:hover {
    color: var(--accent);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav-logo svg,
.nav-logo img {
    width: auto;
    height: 36px;
    max-height: 40px;
    display: inline-block;
}

.nav-logo .logo-light {
    display: inline-block;
}

.nav-logo .logo-dark {
    display: none;
}

.navbar.scrolled .nav-logo .logo-light {
    display: none;
}

.navbar.scrolled .nav-logo .logo-dark {
    display: inline-block;
    filter: brightness(0) saturate(100%) invert(13%) sepia(60%) saturate(300%) hue-rotate(130deg) brightness(95%) contrast(90%);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.nav-link {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.15);
}

.nav-cta {
    background: var(--gradient-accent);
    color: var(--white) !important;
    padding: 0.75rem 1.75rem !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(0,180,216,0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,180,216,0.4) !important;
    background: var(--gradient-accent) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
    border-radius: 2px;
}

.navbar.scrolled .nav-toggle span {
    background: var(--primary);
}

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

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

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

.hero {
    min-height: 100vh;
    background: var(--gradient-primary);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.hero-shape-1 {
    width: 600px;
    height: 600px;
    background: var(--accent);
    top: -200px;
    right: -100px;
}

.hero-shape-2 {
    width: 400px;
    height: 400px;
    background: var(--gold);
    bottom: -100px;
    left: -100px;
}

.hero-shape-3 {
    width: 200px;
    height: 200px;
    background: var(--white);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--accent);
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    margin-bottom: 0.75rem;
    opacity: 0.9;
}

.hero-features li::before {
    content: '';
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(0,180,216,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,180,216,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-3px);
}

.btn-gold {
    background: var(--gradient-gold);
    color: var(--dark);
    box-shadow: 0 8px 24px rgba(201,169,110,0.3);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(201,169,110,0.4);
}

.hero-visual {
    position: relative;
}

.hero-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-xl);
    padding: 3rem;
    position: relative;
}

.hero-card-badge {
    position: absolute;
    bottom: -20px;
    right: 30px;
    background: var(--white);
    color: var(--primary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-card-badge span {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

.problem {
    padding: 8rem 2rem;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.problem::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13,27,42,0.95) 0%, rgba(26,58,74,0.9) 100%);
}

.problem-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.problem h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.problem h2 .highlight {
    color: var(--accent);
}

.problem p {
    font-size: 1.25rem;
    color: var(--gray-400);
}

.problem p strong {
    color: var(--white);
}

.model {
    padding: 8rem 2rem;
    background: var(--gray-100);
}

.model-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.model-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    color: var(--primary);
    margin-bottom: 1rem;
}

.model-content .subtitle {
    font-size: 1.15rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.model-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.model-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.model-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.model-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.model-card ul li:last-child {
    border-bottom: none;
}

.model-card ul li::before {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 3px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

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

.btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.methods {
    padding: 8rem 2rem;
    background: var(--white);
}

.methods-container {
    max-width: 1400px;
    margin: 0 auto;
}

.methods-header {
    text-align: center;
    margin-bottom: 4rem;
}

.methods-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    color: var(--primary);
}

.methods-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.method-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
}

.method-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.method-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.method-card h3 span {
    color: var(--accent);
    font-weight: 400;
}

.method-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.method-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--gray-700);
}

.method-card ul li::before {
    content: '•';
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2rem;
}

.method-logos {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
    opacity: 0.6;
}

.method-logo {
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
}

.results {
    padding: 8rem 2rem;
    background: var(--gray-100);
}

.results-container {
    max-width: 1400px;
    margin: 0 auto;
}

.results-header {
    text-align: center;
    margin-bottom: 4rem;
}

.results-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    color: var(--primary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.result-card {
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s;
}

.result-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.result-card .label {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.result-card .value {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
}

.result-card .value .big {
    font-size: 2rem;
    display: block;
    color: var(--accent);
}

.faq {
    padding: 8rem 2rem;
    background: var(--white);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-header {
    margin-bottom: 3rem;
}

.faq-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    color: var(--primary);
}

.faq-category {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-item.active {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0,180,216,0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    cursor: pointer;
    background: var(--white);
    transition: all 0.3s;
}

.faq-item.active .faq-question {
    background: var(--primary);
    color: var(--white);
}

.faq-number {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.faq-item.active .faq-number {
    background: var(--accent);
}

.faq-question-text {
    flex: 1;
    font-size: 1.05rem;
    font-weight: 500;
}

.faq-toggle {
    width: 24px;
    height: 24px;
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-content {
    padding: 1.5rem 1.5rem 1.5rem 5.5rem;
    color: var(--gray-700);
    line-height: 1.8;
}

.membership {
    padding: 8rem 2rem;
    background: var(--accent);
    position: relative;
}

.membership::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #00b4d8 0%, #0096b7 100%);
}

.membership-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.membership-header {
    text-align: center;
    margin-bottom: 4rem;
}

.membership-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    color: var(--white);
}

.membership-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.membership-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s;
}

.membership-card:hover {
    transform: translateY(-10px);
}

.membership-icon {
    width: 60px;
    height: 60px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
}

.membership-card h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.membership-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.partners {
    padding: 8rem 2rem;
    background: linear-gradient(180deg, #e8f4f8 0%, var(--white) 100%);
}

.partners-container {
    max-width: 1400px;
    margin: 0 auto;
}

.partners-header {
    text-align: center;
    margin-bottom: 4rem;
}

.partners-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    color: var(--primary);
    margin-bottom: 1rem;
}

.partners-header p {
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.05rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2rem;
    align-items: center;
}

.partner-logo {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.8rem;
    text-align: center;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact {
    padding: 8rem 2rem;
    background: linear-gradient(135deg, #1a3a4a 0%, #2a5a6a 50%, #00b4d8 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    color: var(--white);
    margin-bottom: 1rem;
}

.contact-header p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
}

.form-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
}

.form-section {
    margin-bottom: 2rem;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s;
    background: var(--gray-100);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(0,180,216,0.1);
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s;
    border: 1px solid transparent;
}

.radio-option:hover,
.checkbox-option:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

.radio-option input,
.checkbox-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.radio-option label,
.checkbox-option label {
    margin: 0;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.form-submit {
    margin-top: 2rem;
}

.btn-submit {
    width: 100%;
    padding: 1.25rem;
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,180,216,0.3);
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    display: none;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    display: none;
}

.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-800);
    margin-bottom: 2rem;
}

.footer-logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--white);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 380px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-xl);
        gap: 0.5rem;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--gray-700);
        width: 100%;
        padding: 1rem;
        border-radius: var(--radius-sm);
    }

    .nav-menu .nav-link:hover {
        background: var(--gray-100);
        color: var(--accent);
    }

    .nav-menu .nav-cta {
        margin-top: 1rem;
        text-align: center;
        justify-content: center;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
        margin: 0 auto 2rem;
    }

    .hero-features {
        display: inline-block;
        text-align: left;
    }

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

    .hero-visual {
        display: none;
    }

    .model-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

    .membership-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-xl);
        gap: 0.5rem;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--gray-700);
        width: 100%;
        padding: 1rem;
        border-radius: var(--radius-sm);
    }

    .nav-menu .nav-link:hover {
        background: var(--gray-100);
        color: var(--accent);
    }

    .nav-menu .nav-cta {
        margin-top: 1rem;
        text-align: center;
        justify-content: center;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-top {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

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

.form-msg {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}
.form-msg.loading {
    background: #cce5ff;
    color: #004085;
}
.form-msg.success {
    background: #d4edda;
    color: #155724;
}
.form-msg.error {
    background: #f8d7da;
    color: #721c24;
}