/* ===== DentaFlow – Dental theme (teal) ===== */
:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #5eead4;
    --secondary: #0f172a;
    --accent: #14b8a6;
    --accent-light: #2dd4bf;
    --bg-light: #ffffff;
    --bg-soft: #f0fdfa;
    --bg-card: #ffffff;
    --bg-card-hover: #ccfbf1;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border: rgba(15, 23, 42, 0.08);
    --gradient-1: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    --gradient-2: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
    --gradient-3: linear-gradient(180deg, rgba(13, 148, 136, 0.05) 0%, transparent 100%);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 40px rgba(15, 23, 42, 0.1);
    --shadow-glow: 0 10px 30px rgba(13, 148, 136, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-soft);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.4rem;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-1);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: rgba(13, 148, 136, 0.2);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(20, 184, 166, 0.15);
    bottom: -100px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.glow-3 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.2;
    animation: pulse 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-40px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.3; transform: translate(-50%, -50%) scale(1.1); }
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(13, 148, 136, 0.1);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

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

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(13, 148, 136, 0.08);
}

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

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(13, 148, 136, 0.1);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features ===== */
.features {
    background: var(--gradient-3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(13, 148, 136, 0.08);
    color: var(--primary);
    border-radius: 16px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.feature-icon i {
    width: 32px;
    height: 32px;
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: white;
    transform: rotate(10deg);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Upcoming ===== */
.upcoming {
    background: var(--bg-soft);
}

.upcoming-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.upcoming-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.upcoming-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.upcoming-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    background: rgba(13, 148, 136, 0.08);
    color: var(--primary);
    border-radius: 12px;
    margin: 0 auto 16px;
    transition: all 0.3s ease;
}

.upcoming-icon i {
    width: 26px;
    height: 26px;
}

.upcoming-card:hover .upcoming-icon {
    background: var(--primary);
    color: white;
}

.upcoming-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.upcoming-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== Advantages ===== */
.advantages {
    background: var(--gradient-3);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.4s ease;
}

.advantage-card:hover {
    border-color: rgba(13, 148, 136, 0.5);
    transform: translateY(-4px);
}

.advantage-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.3;
    margin-bottom: 16px;
}

.advantage-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Pricing ===== */
.pricing {
    background: white;
}

.pricing-disclaimer {
    margin-top: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    padding: 16px 24px;
    background: rgba(13, 148, 136, 0.04);
    border: 1px solid rgba(13, 148, 136, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.pricing-disclaimer i {
    color: var(--primary);
    flex-shrink: 0;
}

.pricing-disclaimer p {
    margin: 0;
    text-align: left;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    font-style: normal;
    opacity: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(13, 148, 136, 0.5);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(13, 148, 136, 0.05) 0%, #ffffff 100%);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 14px;
    background: var(--accent);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 50px;
}

.pricing-header {
    padding: 32px 32px 0;
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pricing-body {
    padding: 32px;
}

.price {
    text-align: center;
    margin-bottom: 24px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: top;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
}

.price-note {
    text-align: center;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: -16px;
    margin-bottom: 24px;
}

.custom-price {
    padding: 20px 0;
}

.custom-text {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
}

.plan-features li {
    padding: 12px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-icon {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex-shrink: 0;
}

.plan-features li:last-child {
    border-bottom: none;
}

/* ===== Contact ===== */
.contact {
    background: var(--gradient-3);
}

.contact-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-content .section-title {
    text-align: center;
    margin-bottom: 48px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
}

.contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 16px;
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.contact-method:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(13, 148, 136, 0.08);
    color: var(--primary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.contact-icon i {
    width: 24px;
    height: 24px;
}

.contact-method:hover .contact-icon {
    background: var(--primary);
    color: white;
}

.contact-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-value {
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    white-space: nowrap;
    font-size: 1.1rem;
}

/* ===== Footer ===== */
.footer {
    background: linear-gradient(135deg, #0f766e 0%, #0d9488 100%);
    padding: 60px 0 30px;
    border-top: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.footer-contact a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-soft);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-description {
        font-size: 1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .features-grid,
    .upcoming-grid {
        grid-template-columns: 1fr;
    }
}