/* ========================================
   لؤلؤة عبيه للتجارة - Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary: #1a5276;
    --primary-dark: #0e3a54;
    --primary-light: #2980b9;
    --accent: #c8a45a;
    --accent-light: #dbb76e;
    --accent-dark: #b08d3e;
    --dark: #0a1628;
    --dark-2: #111d32;
    --dark-3: #1a2a42;
    --text: #2c3e50;
    --text-light: #7f8c8d;
    --text-muted: #95a5a6;
    --bg: #ffffff;
    --bg-alt: #f7f9fc;
    --bg-dark: #0d1b2a;
    --border: #e8ecf1;
    --shadow: 0 4px 24px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 12px 48px rgba(10, 22, 40, 0.12);
    --shadow-xl: 0 20px 60px rgba(10, 22, 40, 0.16);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 50px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Cairo', sans-serif;
}

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

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

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

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

ul {
    list-style: none;
}

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

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

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.navbar:not(.scrolled) .logo-img {
    filter: brightness(0) invert(1);
}

.footer-logo-img {
    height: 60px;
    filter: brightness(0) invert(1);
}

.logo-icon {
    width: 44px;
    height: 44px;
    color: var(--accent);
}

.navbar:not(.scrolled) .logo-icon {
    color: var(--accent-light);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--primary-dark);
}

.navbar:not(.scrolled) .logo-name {
    color: #fff;
}

.logo-sub {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    color: var(--text);
    position: relative;
}

.navbar:not(.scrolled) .nav-links a {
    color: rgba(255, 255, 255, 0.85);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.navbar:not(.scrolled) .nav-links a:hover,
.navbar:not(.scrolled) .nav-links a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    background: var(--accent) !important;
    color: #fff !important;
    padding: 10px 24px !important;
}

.nav-cta:hover {
    background: var(--accent-dark) !important;
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
    border-radius: 2px;
}

.navbar:not(.scrolled) .menu-toggle span {
    background: #fff;
}

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

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, var(--dark-2) 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(200, 164, 90, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(41, 128, 185, 0.1) 0%, transparent 50%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 120px 0 80px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(200, 164, 90, 0.15);
    border: 1px solid rgba(200, 164, 90, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-light);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

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

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: 0 4px 20px rgba(200, 164, 90, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(200, 164, 90, 0.5);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

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

.hero-features {
    display: flex;
    gap: 32px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 600;
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(200, 164, 90, 0.15);
    border-radius: 10px;
    color: var(--accent-light);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.5);
    animation: bounce 2s ease-in-out infinite;
}

.hero-scroll a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ========================================
   SECTIONS COMMON
   ======================================== */
.section {
    padding: 100px 0;
}

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    position: relative;
    padding-right: 20px;
}

.section-label::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.5;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-title .highlight {
    color: var(--primary);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 600px;
    line-height: 1.8;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

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

.section-header .section-label::before {
    display: none;
}

/* ========================================
   ABOUT
   ======================================== */
.about {
    background: var(--bg-alt);
}

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

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    padding: 20px;
}

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

.about-img-1 {
    width: 100%;
    aspect-ratio: 4/3;
}

.about-img-2 {
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 55%;
    aspect-ratio: 4/3;
    border: 4px solid var(--bg-alt);
}

.img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
}

.img-placeholder.dark {
    background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark) 100%);
}

.about-experience {
    position: absolute;
    top: 20px;
    left: -10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    padding: 20px 28px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 8px 30px rgba(200, 164, 90, 0.4);
    z-index: 2;
}

.exp-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
}

.exp-text {
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
}

.about-content .section-title {
    margin-bottom: 20px;
}

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

.about-text strong {
    color: var(--primary);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: var(--bg);
    border-radius: var(--radius);
    transition: var(--transition);
}

.value-item:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.value-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 82, 118, 0.1), rgba(41, 128, 185, 0.1));
    border-radius: 10px;
    color: var(--primary);
}

.value-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.value-item p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

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

.service-card {
    position: relative;
    padding: 36px 28px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--accent), var(--primary));
    transition: height 0.4s ease;
    border-radius: 0 var(--radius-lg) 0 0;
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-card.featured {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--accent-light);
}

.service-card.featured h3,
.service-card.featured p,
.service-card.featured .service-number {
    color: #fff;
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.8);
}

.service-card.featured .service-features li::before {
    color: var(--accent-light);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 82, 118, 0.08), rgba(41, 128, 185, 0.08));
    border-radius: 16px;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-number {
    position: absolute;
    top: 20px;
    left: 24px;
    font-size: 3rem;
    font-weight: 900;
    color: var(--border);
    line-height: 1;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: 700;
}

/* ========================================
   PROJECTS
   ======================================== */
.projects {
    background: var(--bg-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 280px;
    gap: 20px;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.project-large {
    grid-column: span 2;
}

.project-image {
    width: 100%;
    height: 100%;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10, 22, 40, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.3) 0%, rgba(10, 22, 40, 0.95) 100%);
}

.project-category {
    display: inline-block;
    padding: 4px 14px;
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 10px;
    width: fit-content;
}

.project-overlay h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.project-overlay p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay p {
    transform: translateY(0);
    opacity: 1;
}

/* ========================================
   STATS
   ======================================== */
.stats {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.stats-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
}

.stats-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(200, 164, 90, 0.1) 0%, transparent 50%);
}

.stats-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.stat-icon {
    color: var(--accent-light);
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 600;
}

/* ========================================
   WHY US
   ======================================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    padding: 36px 28px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.why-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.why-number {
    font-size: 4rem;
    font-weight: 900;
    color: rgba(200, 164, 90, 0.1);
    line-height: 1;
    margin-bottom: 12px;
}

.why-card:hover .why-number {
    color: rgba(200, 164, 90, 0.2);
}

.why-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ========================================
   CTA
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M20 0L40 20L20 40L0 20z'/%3E%3C/g%3E%3C/svg%3E");
}

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

.cta-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-content .btn-primary {
    background: #fff;
    color: var(--accent-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-content .btn-primary:hover {
    background: var(--dark);
    color: #fff;
}

/* ========================================
   CONTACT
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: flex-start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    color: #fff;
}

.contact-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

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

.contact-form-wrapper {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--text);
    background: var(--bg-alt);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 82, 118, 0.1);
    background: var(--bg);
}

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

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%237f8c8d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 16px center;
    padding-left: 40px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--dark);
    padding: 60px 0 0;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-logo {
    margin-bottom: 16px;
}

.footer-logo .logo-name {
    color: #fff;
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 16px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.footer-links a:hover {
    color: var(--accent);
    padding-right: 8px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact svg {
    color: var(--accent);
    min-width: 16px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    left: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(26, 82, 118, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(26, 82, 118, 0.5);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* Scroll Animations */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-visual {
        max-width: 500px;
        margin: 0 auto;
    }

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

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 240px;
    }

    .project-large {
        grid-column: span 2;
    }

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

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

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

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 4px;
        box-shadow: var(--shadow-xl);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

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

    .nav-links a {
        color: var(--text) !important;
        padding: 12px 16px;
        width: 100%;
        border-radius: var(--radius);
    }

    .nav-links a:hover {
        background: var(--bg-alt);
    }

    .nav-cta {
        margin-top: 16px;
    }

    .hero-content {
        padding: 100px 0 60px;
    }

    .hero-features {
        flex-direction: column;
        gap: 16px;
    }

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

    .projects-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 220px;
    }

    .project-large {
        grid-column: span 1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-number {
        font-size: 2.2rem;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .stat-card {
        padding: 20px 12px;
    }
}