/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

/* Color & Glass Variables */
:root {
    --bg-color: #161e19; /* Solid deep premium luxury dark olive green background */
    --card-bg: rgba(45, 60, 50, 0.45); /* Liquid glass semi-transparent background */
    --text-primary: #ffffff;
    --text-secondary: #dce7e0; /* Pale green-white text */
    --text-muted: #8ba593; /* Soft sage green text */
    --accent: #c29d74; /* Warm premium caramel brown */
    --border-color: rgba(194, 157, 116, 0.18); /* Liquid glass transparent gold-brown border */
    --glass-blur: blur(20px) saturate(125%);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-glass: 16px;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    letter-spacing: 0.03em;
}

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

button {
    font-family: var(--font-body);
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    outline: none;
}

/* Header & Navigation (Luxury Minimalist) */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(22, 30, 25, 0.65); /* Translucent thin deep olive */
    backdrop-filter: blur(25px) saturate(120%);
    -webkit-backdrop-filter: blur(25px) saturate(120%);
    border-bottom: 1px solid rgba(194, 157, 116, 0.12); /* Extremely thin gold-brown border */
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: center; /* Center links on desktop */
    align-items: center;
    padding: 0;
    height: 55px; /* Ultra-thin luxury height */
    position: relative;
}

.logo-container {
    display: none; /* Logo is hidden in the nav bar as requested for absolute minimalism */
}

.desktop-nav {
    display: block;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 3.5rem;
}

.nav-link {
    font-size: 0.65rem; /* Tiny premium text */
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.35em; /* Generous letter spacing */
    position: relative;
    padding: 0.4rem 0;
    color: var(--text-secondary);
    opacity: 0.65;
    transition: var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--accent);
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    opacity: 1;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 15px; /* Tiny minimal underline */
}

/* Menu Toggle Button (Mobile) - Positioned on the right */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 20px;
    height: 12px;
    z-index: 1001;
    position: absolute;
    right: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 1px; /* Ultra-thin minimalist lines */
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

.menu-toggle.open span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Navigation Side Drawer */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(30, 41, 33, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-left: 1px solid var(--border-color);
    padding: 8rem 2.5rem 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 999;
    transition: var(--transition-smooth);
    box-shadow: -10px 0 30px rgba(18, 24, 20, 0.4);
}

.mobile-nav-drawer.open {
    right: 0;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    list-style: none;
}

.mobile-nav-link {
    font-size: 1.1rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: block;
    color: var(--text-secondary);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
    color: var(--text-primary);
    padding-left: 0.5rem;
}

.mobile-drawer-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.mobile-drawer-footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Main Content Views */
.view-section {
    display: none;
    min-height: 100vh;
    padding-top: 5.5rem; /* Space for fixed header */
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.view-section.active {
    display: block;
    opacity: 1;
}

/* Hero Section */
.hero-view {
    padding-top: 0;
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(34, 45, 38, 0.7); /* Luxury flat solid color overlay */
    z-index: 3;
    transition: background-color 0.8s ease;
}

.hero-bg img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    z-index: 1;
}

.hero-bg img.active {
    opacity: 1;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 1.5rem;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    animation: fadeInDown 1.2s both;
}

.hero-logo {
    max-width: 1500px;
    width: 95%;
    height: auto;
    margin: 0 auto 2.5rem auto;
    filter: brightness(0) invert(1);
    display: block;
    animation: fadeInUp 1.2s both;
}

.hero-title-text {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    line-height: 1.1;
    animation: fadeInUp 1.2s both;
}

.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.8rem;
    border: 1px solid var(--accent);
    background-color: transparent;
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: var(--transition-smooth);
    animation: fadeInUp 1.2s 0.3s both;
}

.btn-primary:hover {
    background-color: var(--accent);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(194, 157, 116, 0.25);
}

/* Home view sections */
.section-wrapper {
    padding: 8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title-container {
    text-align: center;
    margin-bottom: 5rem;
}

.section-subtitle {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    position: relative;
    display: inline-block;
    padding-bottom: 1.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background-color: var(--text-muted);
}

/* Mini Gallery Collage */
.collage-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-gap: 1.5rem;
}

/* Ken Burns panning effects for dynamic slideshow / video look */
@keyframes kenBurns1 {
    0% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.08) translate(-1%, -0.5%); }
    100% { transform: scale(1) translate(0, 0); }
}

@keyframes kenBurns2 {
    0% { transform: scale(1.05) translate(0, 0); }
    50% { transform: scale(1) translate(-0.5%, -1%); }
    100% { transform: scale(1.05) translate(0, 0); }
}

@keyframes kenBurns3 {
    0% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.06) translate(0.5%, 0.5%); }
    100% { transform: scale(1) translate(0, 0); }
}

.collage-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-glass);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition-smooth);
}

.collage-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(0.1) brightness(0.85);
    transition: filter 0.8s ease, transform 0.8s ease;
}

/* Stagger Ken Burns loops for cinematic look */
.collage-item:nth-child(odd) img {
    animation: kenBurns1 28s ease-in-out infinite;
}

.collage-item:nth-child(even) img {
    animation: kenBurns2 24s ease-in-out infinite;
}

.collage-item:nth-child(3n) img {
    animation: kenBurns3 32s ease-in-out infinite;
}

/* Cinematic camera viewfinder frame reveal on hover */
.collage-item::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 1px solid rgba(194, 157, 116, 0);
    z-index: 3;
    pointer-events: none;
    transition: border-color 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(1.05);
}

.collage-item:hover::before {
    border-color: rgba(194, 157, 116, 0.45); /* Gold viewfinder line fades in */
    transform: scale(1);
}

/* Dark cinematic overlay that fades out slightly on hover */
.collage-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(22, 30, 25, 0.3);
    z-index: 2;
    transition: background-color 0.6s ease;
    pointer-events: none;
}

.collage-item:hover::after {
    background-color: rgba(22, 30, 25, 0.1);
}

.collage-item:hover img {
    filter: grayscale(0) brightness(1.02);
}

.item-large {
    grid-column: span 6;
    aspect-ratio: 16 / 10;
}

.item-medium {
    grid-column: span 6;
    aspect-ratio: 4/5;
}

.item-small-left {
    grid-column: span 4;
}

.item-small-middle {
    grid-column: span 4;
}

.item-small-right {
    grid-column: span 4;
}

/* Services Portfolio Cards (Sri Lanka / Dubai) */
/* Services Portfolio Alternating Rows (Editorial Layout) */
.services-rows {
    display: flex;
    flex-direction: column;
    gap: 5rem;
    margin-top: 3rem;
}

.service-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    cursor: pointer;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius-glass);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-row:hover {
    border-color: var(--accent);
    box-shadow: 0 15px 30px rgba(18, 24, 20, 0.35);
}

.service-row-image-container {
    position: relative;
    height: 380px;
    overflow: hidden;
    border-radius: 2px;
    border: 1px solid var(--border-color);
}

.service-row-image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 8s ease;
    filter: grayscale(0.2) brightness(0.6);
}

.service-row-image-container img.active {
    opacity: 1;
}

.service-row:hover .service-row-image-container img.active {
    transform: scale(1.04);
}

.service-row-image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(34, 45, 38, 0.4); /* Solid flat overlay */
    z-index: 2;
    transition: background-color 0.5s ease;
}

.service-row:hover .service-row-image-container::after {
    background-color: rgba(34, 45, 38, 0.15); /* Fades/clears up on hover */
}

.service-row-content {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding: 1rem 0;
}

.service-num {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent);
    line-height: 1;
    letter-spacing: 0.05em;
    font-family: var(--font-heading);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.7;
    opacity: 0.9;
}

.service-tags {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.service-tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    color: var(--text-secondary);
    background-color: rgba(189, 162, 126, 0.05); /* Caramel-brown light tint */
    transition: var(--transition-smooth);
}

.service-row:hover .service-tag {
    border-color: var(--accent);
    color: var(--text-primary);
}

/* Alternate order for landscape screens */
@media (min-width: 769px) {
    .service-row.reverse .service-row-image-container {
        order: 2;
    }
    .service-row.reverse .service-row-content {
        order: 1;
    }
}

/* Gallery View Components */
.gallery-nav-bar {
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-bottom: 3rem;
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 4rem;
}

.gallery-tab-btn {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    transition: var(--transition-smooth);
    padding-bottom: 0.5rem;
    position: relative;
}

.gallery-tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--accent);
    transition: var(--transition-smooth);
}

.gallery-tab-btn.active {
    color: var(--text-primary);
}

.gallery-tab-btn.active::after {
    width: 80px;
}

/* Subcategories Bar */
.subcategory-nav {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 1.5rem;
    margin: 2rem auto 0 auto;
    flex-wrap: wrap;
}

.subcat-btn {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.subcat-btn:hover, .subcat-btn.active {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Album Grid */
.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    grid-gap: 2rem;
    margin-top: 2rem;
}

.album-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-glass);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.album-card:hover {
    transform: translateY(-8px);
    border-color: var(--text-muted);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.album-cover-container {
    width: 100%;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background-color: #1a1a1a;
    position: relative;
}

.album-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
    filter: grayscale(0.2);
}

.album-card:hover .album-cover {
    transform: scale(1.04);
    filter: grayscale(0);
}

.album-info {
    padding: 1.5rem;
}

.album-info h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.album-meta {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Album Photos Details View */
.album-details-container {
    display: none;
}

.album-details-container.active {
    display: block;
}

.album-header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-back {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.btn-back:hover {
    border-color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.album-header-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 400;
    text-transform: uppercase;
}

.photos-grid {
    columns: 3 320px;
    column-gap: 1.5rem;
    width: 100%;
}

.photo-item {
    display: inline-block;
    width: 100%;
    margin-bottom: 1.5rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    break-inside: avoid;
    transition: var(--transition-smooth);
}

.photo-item:hover {
    transform: translateY(-4px);
    border-color: var(--text-muted);
}

.photo-item img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.photo-item:hover img {
    transform: scale(1.02);
}

/* Lightbox Feature */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 33, 28, 0.99);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
}

.lightbox-img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border: 1px solid var(--border-color);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 2rem;
    color: var(--text-primary);
    cursor: pointer;
}

.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: var(--transition-smooth);
    padding: 1rem;
}

.lightbox-arrow:hover {
    color: var(--text-primary);
}

.arrow-left {
    left: -60px;
}

.arrow-right {
    right: -60px;
}

/* About View */
.about-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
    align-items: center;
}

.about-img-container {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    border: 1px solid var(--border-color);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.2);
}

.about-text-container {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.about-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 400;
    text-transform: uppercase;
    line-height: 1.1;
}

.about-paragraph {
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-meta-details {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    margin-top: 1rem;
}

.meta-detail-item h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.meta-detail-item p {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 400;
}

/* Contact View */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-glass);
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.contact-card:hover {
    border-color: var(--text-muted);
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
    line-height: 1.6;
}

.contact-link {
    display: inline-block;
    padding: 0.75rem 1.8rem;
    border: 1px solid var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: var(--transition-smooth);
}

.contact-link:hover {
    border-color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.whatsapp-wrapper {
    margin-top: 3rem;
    text-align: center;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background-color: #25D366;
    color: #ffffff;
    padding: 1.2rem 3rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 30px;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2);
    transition: var(--transition-smooth);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(18, 140, 126, 0.35);
}

.btn-whatsapp svg {
    fill: currentColor;
    width: 20px;
    height: 20px;
}

/* Footer */
.main-footer {
    border-top: 1px solid var(--border-color);
    background-color: #1d2520;
    padding: 4rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-socials {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-social-link {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

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

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Animations */
@keyframes zoomOutEffect {
    0% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

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

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

/* ==========================================================================
   Responsive Styles (Mobile-First Optimization)
   ========================================================================== */

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        max-width: 700px;
        margin: 0 auto;
    }
    
    .about-img-container {
        aspect-ratio: 16 / 10;
    }
}

@media (max-width: 768px) {
    /* Header & Navigation Mobile adjustments */
    .desktop-nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .section-wrapper {
        padding: 5rem 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Hero mobile responsive */
    .hero-title-text {
        font-size: 2.2rem;
    }
    
    .hero-logo {
        max-width: 600px;
        width: 85%;
        margin-bottom: 1.5rem;
    }
    
    /* Collage mobile grid layout (99% mobile views) */
    .collage-grid {
        grid-gap: 0.8rem;
    }
    
    .collage-item {
        grid-column: span 12 !important;
        height: auto !important;
        aspect-ratio: 16 / 10 !important;
        margin-top: 0 !important;
    }
    
    /* Services Portfolio Stack */
    .services-rows {
        gap: 3rem;
    }
    
    .service-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .service-row-image-container {
        height: 280px;
    }
    
    .service-title {
        font-size: 1.8rem;
    }
    
    /* Gallery mobile responsive */
    .gallery-tabs {
        gap: 2rem;
    }
    
    .gallery-tab-btn {
        font-size: 1.3rem;
    }
    
    .gallery-tab-btn.active::after {
        width: 40px;
    }
    
    .subcategory-nav {
        gap: 0.8rem;
    }
    
    .subcat-btn {
        font-size: 0.65rem;
        padding: 0.4rem 1rem;
        letter-spacing: 0.1em;
    }
    
    .albums-grid {
        grid-template-columns: 1fr;
        grid-gap: 1.5rem;
    }
    
    .photos-grid {
        columns: 2 150px;
        column-gap: 0.8rem;
    }
    
    .photo-item {
        margin-bottom: 0.8rem;
    }
    
    /* Contact mobile layout */
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 2rem 1.5rem;
    }
    
    .btn-whatsapp {
        width: 100%;
        justify-content: center;
        padding: 1rem 2rem;
        font-size: 0.8rem;
    }
    
    /* Lightbox Mobile Adjustments */
    .lightbox-arrow {
        font-size: 1.8rem;
        padding: 0.5rem;
    }
    .arrow-left {
        left: -35px;
    }
    .arrow-right {
        right: -35px;
    }
}

@media (max-width: 480px) {
    .photos-grid {
        columns: 1 100%;
    }
    
    .logo-container a {
        font-size: 1.1rem;
    }
    
    .logo-img {
        height: 24px;
    }
    
    .about-meta-details {
        flex-direction: column;
        gap: 1.5rem;
    }
}