/* ===== CSS Variables ===== */
:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --white: #ffffff;
    --black: #000000;

    --gradient-teal: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-600) 100%);
    --gradient-teal-text: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-700) 100%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ===== Utilities ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.full-width {
    grid-column: 1 / -1;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-teal);
    color: var(--white);
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(20, 184, 166, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px 0 rgba(20, 184, 166, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--teal-600);
    border: 2px solid var(--teal-200);
}

.btn-secondary:hover {
    background: var(--teal-50);
    border-color: var(--teal-300);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: inline;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(20, 184, 166, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.logo span {
    color: var(--teal-500);
}

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

.nav-links a {
    font-weight: 500;
    color: var(--gray-600);
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-teal);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--teal-600);
}

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

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 1.5rem 4rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(20, 184, 166, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(20, 184, 166, 0.1), transparent),
        radial-gradient(ellipse 40% 30% at 20% 80%, rgba(13, 148, 136, 0.08), transparent);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.02); }
}

.hero-content {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 1px solid var(--teal-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--teal-700);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--teal-500);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto 2rem;
}

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

/* ===== Section Styles ===== */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--teal-50);
    color: var(--teal-700);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* ===== Services Section ===== */
.services {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--teal-200);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .section-tag {
    margin-bottom: 0.5rem;
}

.about-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--teal-600);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.about-image {
    display: flex;
    justify-content: center;
}

.team-photo {
    width: 100%;
    max-width: 450px;
    border-radius: var(--radius-xl);
    object-fit: cover;
    border: 3px solid var(--teal-400);
    box-shadow:
        0 0 20px rgba(20, 184, 166, 0.4),
        0 0 40px rgba(20, 184, 166, 0.2),
        0 0 60px rgba(20, 184, 166, 0.1);
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow:
            0 0 20px rgba(20, 184, 166, 0.4),
            0 0 40px rgba(20, 184, 166, 0.2),
            0 0 60px rgba(20, 184, 166, 0.1);
    }
    to {
        box-shadow:
            0 0 25px rgba(20, 184, 166, 0.5),
            0 0 50px rgba(20, 184, 166, 0.3),
            0 0 75px rgba(20, 184, 166, 0.15);
    }
}

/* ===== Reviews Section ===== */
.reviews {
    background: var(--gray-50);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.review-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--teal-200);
}

.review-card .review-image {
    width: 200px;
    height: 200px;
    max-width: 200px;
    max-height: 200px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin-bottom: 1rem;
}

.review-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.review-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.review-card-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--teal-50);
    border-color: var(--teal-200);
    text-decoration: none;
}

.review-card-cta:hover {
    background: var(--teal-100);
    border-color: var(--teal-400);
}

.review-cta-icon {
    color: var(--teal-500);
    margin-bottom: 1rem;
}

.review-card-cta h3 {
    color: var(--teal-700);
}

.review-cta-link {
    margin-top: auto;
    padding-top: 1rem;
    font-weight: 600;
    color: var(--teal-600);
}

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

/* ===== Video Section ===== */
.video-section {
    background: var(--white);
}

.video-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.video-text .section-tag {
    margin-bottom: 0.5rem;
}

.video-text h2 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.video-text p {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.video-wrapper {
    display: flex;
    justify-content: center;
}

.video-wrapper iframe {
    width: 315px;
    height: 560px;
    border-radius: var(--radius-xl);
    border: 3px solid var(--teal-400);
    box-shadow:
        0 0 20px rgba(20, 184, 166, 0.4),
        0 0 40px rgba(20, 184, 166, 0.2),
        0 0 60px rgba(20, 184, 166, 0.1);
}

@media (max-width: 1024px) {
    .video-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .video-wrapper {
        order: -1;
    }
}

/* ===== CTA Section ===== */
.cta {
    background: var(--gradient-teal);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1), transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1), transparent 50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--teal-700);
}

.cta .btn-primary:hover {
    background: var(--teal-50);
}

/* ===== Contact Section ===== */
.contact {
    background: var(--gray-50);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--teal-500);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: var(--white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-group select:focus {
    outline: none;
    border-color: var(--teal-500);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    padding-top: 0.5rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--gray-700);
}

.radio-label input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--teal-500);
    cursor: pointer;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.info-card:hover {
    border-color: var(--teal-200);
    box-shadow: var(--shadow-md);
}

.info-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.info-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.info-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.info-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--teal-600);
}

.info-link:hover {
    color: var(--teal-700);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    padding: 3rem 0 1.5rem;
}

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

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 0.5rem;
    display: inline-block;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

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

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9375rem;
}

.footer-links a:hover {
    color: var(--teal-400);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    color: var(--gray-400);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--teal-600);
    color: var(--white);
}

.footer-bottom {
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--gray-900);
    color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(150%);
    opacity: 0;
    transition: all var(--transition-slow);
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--teal-600);
}

.toast.error {
    background: #dc2626;
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    font-size: 0.9375rem;
    font-weight: 500;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        order: -1;
    }

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

    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .info-card {
        flex: 1;
        min-width: 200px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
    }

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

    .nav-toggle {
        display: flex;
    }

    .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 {
        padding: 5rem 1rem 3rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

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

    .about-stats {
        flex-wrap: wrap;
    }

    .contact-form {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }

    .contact-info {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

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

@media (max-width: 480px) {
    section {
        padding: 3rem 0;
    }

    .team-photo {
        max-width: 100%;
    }
}