/* ========================================
   CREST EVENTS - Main Stylesheet
   ======================================== */

/* --- CSS Variables --- */
:root {
    --color-primary: #1a1a2e;
    --color-secondary: #c9a96e;
    --color-accent: #d4af37;
    --color-dark: #0f0f1a;
    --color-light: #f8f6f2;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #6b6b6b;
    --color-border: #e0dbd3;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 600; }

.section-label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-description {
    color: var(--color-text-light);
    font-size: 1.05rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-nav {
    padding: 10px 24px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
}

.btn-nav:hover {
    background-color: var(--color-accent);
}

.btn-large {
    padding: 18px 42px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    border: none;
}

/* --- Sections --- */
.section {
    padding: 100px 0;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-dark {
    display: none;
}

.navbar.scrolled .logo-white {
    display: none;
}

.navbar.scrolled .logo-dark {
    display: block;
}

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

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.navbar.scrolled .nav-links a:not(.btn) {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 26px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition);
}

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

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('https://images.unsplash.com/photo-1519167758481-83f550bb49b3?w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 15, 26, 0.85) 0%,
        rgba(26, 26, 46, 0.7) 50%,
        rgba(15, 15, 26, 0.8) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 24px;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: 24px;
}

.highlight {
    color: var(--color-secondary);
    font-style: italic;
}

.hero-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero-scroll a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   ABOUT
   ======================================== */
.about {
    background-color: var(--color-white);
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-md);
    width: 100%;
    height: 500px;
    object-fit: cover;
}


.about-content p {
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-stats {
    display: flex;
    gap: 24px;
    margin: 32px 0;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(201, 169, 110, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: 1rem;
}

.stat-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ========================================
   SERVICES
   ======================================== */
.services {
    background-color: var(--color-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

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

.service-image {
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.08);
}

.service-content {
    padding: 28px;
}

.service-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.service-content h3 {
    margin-bottom: 10px;
}

.service-content p {
    color: var(--color-text-light);
    font-size: 0.92rem;
}

/* ========================================
   WHY CHOOSE US
   ======================================== */
.why-us {
    background-color: var(--color-primary);
    padding: 100px 0;
}

.why-us .section-label {
    color: var(--color-secondary);
}

.why-us h2 {
    color: var(--color-white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.why-card {
    text-align: center;
    padding: 40px 24px;
}

.why-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(201, 169, 110, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.why-card h3 {
    color: var(--color-white);
    margin-bottom: 12px;
}

.why-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

/* ========================================
   PORTFOLIO
   ======================================== */
.portfolio {
    background-color: var(--color-white);
}

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

.portfolio-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 280px;
    cursor: pointer;
}

.portfolio-item.portfolio-large {
    grid-column: span 2;
    height: 320px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 15, 26, 0.7), transparent);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition);
}

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

.portfolio-tag {
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials {
    background-color: var(--color-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--color-white);
    padding: 36px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.testimonial-stars {
    color: var(--color-accent);
    margin-bottom: 16px;
    font-size: 0.85rem;
    display: flex;
    gap: 3px;
}

.testimonial-text {
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.85rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-primary);
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    position: relative;
    padding: 100px 0;
    background-image: url('https://images.unsplash.com/photo-1492684223066-81342ee5ff30?w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 15, 26, 0.9), rgba(26, 26, 46, 0.85));
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 650px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.05rem;
    margin-bottom: 36px;
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
    background-color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(201, 169, 110, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

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

.contact-social {
    margin-top: 40px;
}

.contact-social h4 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.social-links a:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
}

/* --- Contact Form --- */
.contact-form {
    background-color: var(--color-light);
    padding: 40px;
    border-radius: var(--radius-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text);
    background-color: var(--color-white);
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-secondary);
}

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

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-dark);
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    margin: 16px 0 24px;
    max-width: 300px;
}

.footer-brand .social-links a {
    background-color: rgba(255, 255, 255, 0.08);
}

.footer-links h4 {
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-links li {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.88rem;
    transition: color var(--transition);
}

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

.footer-links i {
    margin-right: 8px;
    font-size: 0.8rem;
    color: var(--color-secondary);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.8rem;
}

/* ========================================
   ANIMATIONS (Scroll Reveal)
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */

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

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

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

    .portfolio-item.portfolio-large {
        grid-column: span 2;
    }

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

/* Mobile */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        transition: right var(--transition);
    }

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

    .nav-links a:not(.btn) {
        color: rgba(255, 255, 255, 0.9) !important;
        font-size: 1.1rem;
    }

    .navbar.scrolled .nav-toggle.active span {
        background-color: var(--color-white);
    }

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

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

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

    .hero {
        background-attachment: scroll;
    }

    .cta-section {
        background-attachment: scroll;
    }

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

    .about-image img {
        height: 350px;
    }

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

    .why-us-grid {
        grid-template-columns: 1fr;
    }

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

    .portfolio-item,
    .portfolio-item.portfolio-large {
        grid-column: span 1;
        height: 250px;
    }

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

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

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

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

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

/* Small mobile */
@media (max-width: 480px) {
    .section {
        padding: 70px 0;
    }

    .contact-form {
        padding: 24px;
    }

    .testimonial-card {
        padding: 24px;
    }
}