/* ===================================
   Styles By Sara — Custom Styles
   =================================== */

/* CSS Custom Properties */
:root {
    --color-midnight: #0a1628;
    --color-midnight-light: #132240;
    --color-mint: #2dd4bf;
    --color-mint-light: #5eead4;
    --color-mint-dark: #0d9488;
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-light: #f1f5f9;
    --color-gray: #94a3b8;
    --color-dark: #1e293b;
    --color-text: #334155;
    --color-text-light: #64748b;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.1);
    --shadow-lg: 0 10px 40px rgba(10, 22, 40, 0.12);
    --shadow-xl: 0 20px 60px rgba(10, 22, 40, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(10, 22, 40, 0.06);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-midnight);
}

.logo-icon {
    font-size: 1.1rem;
    color: var(--color-mint);
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-mint);
    transition: var(--transition);
}

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

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

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

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--color-midnight);
    transition: var(--transition);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-midnight-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-midnight);
    border-color: var(--color-white);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-midnight);
    border-color: var(--color-white);
}

.btn-white:hover {
    background: var(--color-mint);
    border-color: var(--color-mint);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
    background: var(--color-white);
    color: var(--color-midnight);
    border-color: var(--color-white);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1rem;
}

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

/* ===================================
   Section Shared
   =================================== */
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    background: rgba(45, 212, 191, 0.1);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-midnight);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 560px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a1628 0%, #132240 30%, #1a3a5c 60%, #0d4a4a 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 80%, rgba(45, 212, 191, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(45, 212, 191, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 50% 50%, rgba(19, 34, 64, 0.8) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 120px 24px 80px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-mint);
    background: rgba(45, 212, 191, 0.12);
    border: 1px solid rgba(45, 212, 191, 0.25);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 28px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-mint);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.7); }
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: 100px 0;
    background: var(--color-off-white);
}

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

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    border: 1px solid rgba(10, 22, 40, 0.06);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(45, 212, 191, 0.2);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-midnight) 0%, var(--color-midnight-light) 100%);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    color: var(--color-mint);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-midnight);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 100px 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -32px;
    right: -32px;
    width: 55%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-white);
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    top: -20px;
    right: 40px;
    background: var(--color-midnight);
    color: var(--color-white);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-mint);
    line-height: 1;
}

.exp-text {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-dark);
}

.feature-check {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(45, 212, 191, 0.12);
    color: var(--color-mint-dark);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===================================
   Gallery Section
   =================================== */
.gallery {
    padding: 100px 0;
    background: var(--color-off-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:nth-child(1) { grid-row: span 2; }
.gallery-item:nth-child(1) img { height: 100%; }
.gallery-item:nth-child(4) { grid-row: span 2; }
.gallery-item:nth-child(4) img { height: 100%; }
.gallery-item:nth-child(6) { grid-row: span 2; }
.gallery-item:nth-child(6) img { height: 100%; }

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-overlay span {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-midnight) 0%, var(--color-midnight-light) 50%, #0d4a4a 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.cta-content .section-tag {
    background: rgba(45, 212, 191, 0.15);
    color: var(--color-mint);
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 100px 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info .section-title {
    text-align: left;
}

.contact-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-light);
    border-radius: var(--radius-sm);
    color: var(--color-midnight);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 1rem;
    color: var(--color-dark);
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-midnight);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--color-mint-dark);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid rgba(10, 22, 40, 0.06);
}

.contact-form h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-midnight);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-dark);
    background: var(--color-white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-mint);
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.15);
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success svg {
    color: var(--color-mint-dark);
    margin-bottom: 16px;
}

.form-success h4 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--color-midnight);
    margin-bottom: 8px;
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-midnight);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: 20px;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-contact p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 4px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===================================
   Scroll Animations
   =================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 32px 24px;
        gap: 20px;
        border-bottom: 1px solid rgba(10, 22, 40, 0.06);
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active .hamburger:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active .hamburger:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active .hamburger:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-content {
        padding: 100px 24px 60px;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-images {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-img-secondary {
        right: -16px;
        bottom: -20px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item:nth-child(1),
    .gallery-item:nth-child(4),
    .gallery-item:nth-child(6) {
        grid-row: span 1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}