/* ==========================================================================
   Raven Aerial Imaging - Design System & Base Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Reset
   -------------------------------------------------------------------------- */

html {
    scroll-behavior: smooth;
}

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

body {
    margin: 0;
    min-height: 100vh;
    padding-top: 60px;
}

img,
video {
    max-width: 100%;
    display: block;
}

input,
button,
textarea,
select {
    font: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin: 0;
}

ul,
ol {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

/* --------------------------------------------------------------------------
   Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */

:root {
    /* Colors - Primary */
    --color-primary: #1a365d;
    --color-primary-light: #2563eb;

    /* Colors - Accent */
    --color-accent: #0891b2;
    --color-accent-light: #06b6d4;

    /* Colors - Backgrounds */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;

    /* Colors - Text */
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-on-dark: #f1f5f9;

    /* Colors - Utility */
    --color-border: #e2e8f0;
    --color-error: #dc2626;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition: 0.3s ease;

    /* Layout */
    --max-width: 1200px;
}

/* --------------------------------------------------------------------------
   Base Typography
   -------------------------------------------------------------------------- */

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    margin-bottom: 1rem;
}

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

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

/* --------------------------------------------------------------------------
   Utility Classes - Layout
   -------------------------------------------------------------------------- */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-heading {
    text-align: center;
    margin-bottom: 3rem;
}

.section-heading p {
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0.5rem auto 0;
}

.text-center {
    text-align: center;
}

/* --------------------------------------------------------------------------
   Utility Classes - Buttons
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
    cursor: pointer;
    border: none;
    line-height: 1;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    color: #ffffff;
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #ffffff;
}

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

.btn-white:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
}

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

/* --------------------------------------------------------------------------
   Utility Classes - Grid
   -------------------------------------------------------------------------- */

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

.grid-4 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (min-width: 1024px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}

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

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: color var(--transition);
}

.logo:hover {
    color: var(--color-primary-light);
}

.logo svg {
    width: 32px;
    height: 32px;
}

/* --------------------------------------------------------------------------
   Nav menu
   -------------------------------------------------------------------------- */

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary-light);
}

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

/* --------------------------------------------------------------------------
   Header CTA & hamburger
   -------------------------------------------------------------------------- */

.header-cta {
    display: none;
}

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

/* Hamburger -> X animation */
.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Mobile nav (< 1024px)
   -------------------------------------------------------------------------- */

@media (max-width: 1023px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 60px);
        background-color: var(--color-bg);
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        overflow-y: auto;
    }

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

    .nav-menu li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu .nav-link {
        display: block;
        padding: 1rem 0;
        font-size: 1.125rem;
    }
}

/* Nav overlay */
.nav-overlay {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --------------------------------------------------------------------------
   Desktop nav (>= 1024px)
   -------------------------------------------------------------------------- */

@media (min-width: 1024px) {
    body {
        padding-top: 72px;
    }

    .header-container {
        height: 72px;
    }

    .header-cta {
        display: inline-flex;
    }

    .nav-toggle {
        display: none;
    }

    .nav-overlay {
        display: none;
    }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-on-dark);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff;
    letter-spacing: 0.1em;
    text-decoration: none;
    margin-bottom: 1rem;
    transition: color var(--transition);
}

.footer-logo:hover {
    color: var(--color-accent-light);
}

.footer-logo svg {
    width: 32px;
    height: 32px;
}

.footer-col p {
    color: var(--color-text-on-dark);
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col li {
    margin-bottom: 0.5rem;
    color: var(--color-text-on-dark);
}

.footer-col a {
    color: var(--color-text-on-dark);
    transition: color var(--transition);
}

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

/* --------------------------------------------------------------------------
   Footer social icons
   -------------------------------------------------------------------------- */

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-on-dark);
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.footer-social a:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   Footer bottom
   -------------------------------------------------------------------------- */

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.footer-bottom p {
    margin-bottom: 0.25rem;
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a365d 0%, #0891b2 50%, #06b6d4 100%);
    background-size: cover;
    overflow: hidden;
    text-align: center;
    color: #ffffff;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
}

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

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ==========================================================================
   Service Cards
   ========================================================================== */

.service-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-full);
    color: var(--color-accent);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--color-primary-light);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: color var(--transition), gap var(--transition);
}

.service-link:hover {
    color: var(--color-accent);
    gap: 0.5rem;
}

.service-link .arrow {
    transition: transform var(--transition);
}

.service-link:hover .arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   Features (Why Choose Us)
   ========================================================================== */

.feature {
    text-align: center;
    padding: 1.5rem;
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
    color: #ffffff;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ==========================================================================
   Featured Gallery
   ========================================================================== */

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-light);
    font-weight: 600;
}

.gallery-overlay h4 {
    color: #ffffff;
    margin: 0.25rem 0 0;
    font-size: 1.125rem;
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */

.cta-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #ffffff;
    padding: 5rem 0;
    text-align: center;
}

.cta-banner h2 {
    color: #ffffff;
    margin-bottom: 1rem;
}

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

/* ==========================================================================
   Page Hero (Inner Pages)
   ========================================================================== */

.page-hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #ffffff;
    padding: 8rem 0 4rem;
    text-align: center;
}

.page-hero h1 {
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
}

/* ==========================================================================
   Service Detail Sections
   ========================================================================== */

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.service-detail-grid.reverse .service-detail-image {
    order: 2;
}

.service-detail-grid.reverse .service-detail-content {
    order: 1;
}

.service-detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.placeholder-image {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
}

.service-detail-content h2 {
    margin-bottom: 1rem;
}

.service-detail-content h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.service-list {
    list-style: none;
    padding: 0;
}

.service-list li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--color-text-light);
}

.service-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.service-detail .btn {
    margin-top: 2rem;
}

@media (max-width: 767px) {
    .service-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .service-detail-grid.reverse .service-detail-image {
        order: 0;
    }

    .service-detail-grid.reverse .service-detail-content {
        order: 0;
    }
}

/* ==========================================================================
   About Page
   ========================================================================== */

.about-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.team-member {
    max-width: 600px;
    margin: 0 auto;
}

.team-photo {
    margin-bottom: 1.5rem;
}

.team-role {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-bio {
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto;
}

.cert-card {
    text-align: center;
    padding: 2rem;
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.cert-icon {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.cert-card h3 {
    margin-bottom: 0.75rem;
}

.cert-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.area-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.area-tag {
    padding: 0.5rem 1.25rem;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.area-note {
    text-align: center;
    margin-top: 2rem;
    color: var(--color-text-light);
}

@media (max-width: 767px) {
    .about-story {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Portfolio Page
   ========================================================================== */

/* --------------------------------------------------------------------------
   Portfolio Filters
   -------------------------------------------------------------------------- */

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary-light);
}

.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   Portfolio Grid
   -------------------------------------------------------------------------- */

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
}

.portfolio-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transition: transform 0.5s;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 50%, transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.portfolio-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-light);
    font-weight: 600;
}

.portfolio-overlay h3 {
    color: #ffffff;
    font-size: 1.125rem;
    margin: 0.25rem 0;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin: 0;
}

/* --------------------------------------------------------------------------
   Lightbox
   -------------------------------------------------------------------------- */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 900px;
    width: 90%;
    background: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.lightbox-image {
    width: 100%;
    aspect-ratio: 16 / 9;
}

.lightbox-info {
    padding: 1.5rem;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: background 0.3s;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: var(--radius-full);
}

.lightbox-prev {
    left: 1rem;
}

.lightbox-next {
    right: 1rem;
}

/* ==========================================================================
   Contact Page
   ========================================================================== */

/* --------------------------------------------------------------------------
   Contact layout
   -------------------------------------------------------------------------- */

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: start;
}

.contact-form-wrapper h2 {
    margin-bottom: 0.5rem;
}

.contact-form-wrapper > p {
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

/* --------------------------------------------------------------------------
   Form styles
   -------------------------------------------------------------------------- */

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: white;
    transition: border-color 0.3s;
    color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

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

.form-group select {
    appearance: none;
    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='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* --------------------------------------------------------------------------
   Contact info sidebar
   -------------------------------------------------------------------------- */

.contact-info-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.contact-info-card h3 {
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-md);
    color: var(--color-accent);
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text);
}

.contact-item p {
    margin: 0.25rem 0 0;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   Contact page responsive
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

/* ==========================================================================
   Scroll Animations
   ========================================================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}