/* =========================================================
   AFRICA CHARTER AIRLINE - Redesign
   ========================================================= */

:root {
    --navy: #0A1F44;
    --navy-dark: #061530;
    --navy-light: #13315C;
    --orange: #F26A21;
    --orange-dark: #D4551A;
    --orange-light: #FF8B4A;
    --white: #FFFFFF;
    --off-white: #F7F9FC;
    --gray-100: #EEF2F7;
    --gray-300: #C5CFDB;
    --gray-500: #6B7A8F;
    --gray-700: #3A4759;
    --text: #1A2233;
    --text-light: #5A6478;
    --border: #E1E8F0;
    --shadow-sm: 0 2px 8px rgba(10, 31, 68, 0.06);
    --shadow-md: 0 8px 24px rgba(10, 31, 68, 0.10);
    --shadow-lg: 0 16px 48px rgba(10, 31, 68, 0.16);
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1240px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

h1, h2, h3, h4, h5 {
    font-family: 'Barlow Condensed', 'Inter', sans-serif;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--navy);
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.highlight { color: var(--orange); }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 15px;
    border-radius: 100px;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(242, 106, 33, 0.35);
}
.btn-primary:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(242, 106, 33, 0.45);
}

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

.btn-lg { padding: 17px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
    background: transparent;
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

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

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    box-shadow: 0 6px 18px rgba(242, 106, 33, 0.35);
    flex-shrink: 0;
}

.logo-text { display: flex; flex-direction: column; line-height: 1; }

.logo-main {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.02em;
    color: var(--white);
    transition: var(--transition);
}

.logo-sub {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.22em;
    color: var(--orange);
}

.navbar.scrolled .logo-main { color: var(--navy); }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    padding: 10px 16px;
    border-radius: 100px;
    position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--orange); }

.navbar.scrolled .nav-link { color: var(--text); }
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active { color: var(--orange); }

.nav-cta {
    margin-left: 12px;
    padding: 12px 24px;
    font-size: 14px;
    color: var(--white) !important;
}
.nav-cta:hover { color: var(--white) !important; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}
.navbar.scrolled .hamburger span { background: var(--navy); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1540962351504-03099e0a754b?w=1920&q=85');
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6, 21, 48, 0.92) 0%, rgba(10, 31, 68, 0.75) 50%, rgba(242, 106, 33, 0.15) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-bottom: 24px;
}
.hero-badge i { color: #4ADE80; }

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.75rem);
    color: var(--white);
    margin-bottom: 22px;
    letter-spacing: -0.02em;
}
.hero-title .highlight { color: var(--orange-light); }

.hero-subtitle {
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 620px;
    margin-bottom: 36px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding-top: 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat { display: flex; flex-direction: column; }

.stat-number {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 800;
    font-size: clamp(1.8rem, 3.5vw, 2.75rem);
    color: var(--white);
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 800;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    color: var(--orange-light);
    margin-left: 2px;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    z-index: 3;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}
.scroll-down:hover { background: var(--orange); border-color: var(--orange); }

/* =========================================================
   VALUE BAR
   ========================================================= */
.value-bar {
    background: var(--white);
    padding: 0;
    position: relative;
    z-index: 10;
    margin-top: -60px;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.value-card {
    padding: 36px 28px;
    border-right: 1px solid var(--border);
    transition: var(--transition);
    text-align: left;
    display: block;
}
.value-card:last-child { border-right: none; }
.value-card:hover {
    background: var(--navy);
    color: var(--white);
}
.value-card:hover h3 { color: var(--white); }
.value-card:hover p { color: rgba(255, 255, 255, 0.75); }
.value-card:hover .value-icon { background: var(--orange); color: var(--white); }

.value-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--gray-100);
    color: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.value-card h3 {
    font-size: 1.35rem;
    margin-bottom: 6px;
    transition: var(--transition);
}
.value-card p {
    font-size: 14px;
    color: var(--text-light);
    transition: var(--transition);
}

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

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}
.section-header.light .section-title { color: var(--white); }
.section-header.light .section-subtitle { color: rgba(255, 255, 255, 0.8); }

.section-tag {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 16px;
    position: relative;
    padding-left: 32px;
}
.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 2px;
    background: var(--orange);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    margin-bottom: 20px;
}

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

/* =========================================================
   SERVICES
   ========================================================= */
.services { background: var(--off-white); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.service-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6,21,48,0) 40%, rgba(6,21,48,0.7) 100%);
}

.service-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1;
    z-index: 2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.service-body { padding: 32px; flex: 1; display: flex; flex-direction: column; }

.service-body h3 {
    font-size: 1.75rem;
    margin-bottom: 14px;
}

.service-body > p {
    color: var(--text-light);
    margin-bottom: 22px;
    font-size: 15px;
    line-height: 1.7;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 18px;
    margin-top: auto;
}
.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
}
.service-features i { color: var(--orange); font-size: 12px; }

/* =========================================================
   FLEET
   ========================================================= */
.fleet { background: var(--white); }

.fleet-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.fleet-tab {
    padding: 12px 24px;
    border-radius: 100px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
    background: var(--gray-100);
    border: 2px solid transparent;
    transition: var(--transition);
}
.fleet-tab:hover { background: var(--gray-300); }
.fleet-tab.active {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.fleet-panel { display: none; animation: fadeIn 0.4s ease; }
.fleet-panel.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.fleet-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
}

.fleet-visual { position: relative; }

.fleet-image {
    height: 480px;
    border-radius: var(--radius-lg);
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-lg);
}

.fleet-badge {
    position: absolute;
    top: 24px;
    left: 24px;
    padding: 8px 18px;
    border-radius: 100px;
    background: var(--orange);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    box-shadow: 0 8px 20px rgba(242, 106, 33, 0.4);
}
.fleet-badge.freighter { background: var(--navy); box-shadow: 0 8px 20px rgba(10, 31, 68, 0.4); }
.fleet-badge.vip { background: #B8860B; box-shadow: 0 8px 20px rgba(184, 134, 11, 0.4); }

.fleet-info h3 {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.fleet-role {
    color: var(--text-light);
    font-size: 1.02rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 32px;
}

.spec {
    background: var(--white);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.spec-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}
.spec-value {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--navy);
    letter-spacing: 0.01em;
}

/* =========================================================
   MAINTENANCE
   ========================================================= */
.maintenance {
    background: var(--off-white);
}

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

.maintenance-content .section-title { text-align: left; }
.maintenance-content > p {
    color: var(--text-light);
    margin-bottom: 18px;
    font-size: 1.02rem;
    line-height: 1.7;
}

.maintenance-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 36px 0;
}

.m-feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.m-feature i {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--white);
    color: var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}
.m-feature h4 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}
.m-feature p {
    font-size: 13.5px;
    color: var(--text-light);
    line-height: 1.5;
}

.maintenance-image {
    height: 560px;
    border-radius: var(--radius-lg);
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-lg);
    position: relative;
}
.maintenance-image::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(10,31,68,0.1), rgba(242,106,33,0.15));
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 18px;
    font-size: 1.02rem;
    line-height: 1.75;
}
.about-text strong { color: var(--navy); font-weight: 700; }

.about-points {
    display: grid;
    gap: 20px;
    margin-top: 36px;
}

.about-point {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px;
    background: var(--off-white);
    border-radius: var(--radius);
    border-left: 3px solid var(--orange);
}
.about-point i {
    color: var(--orange);
    font-size: 22px;
    flex-shrink: 0;
    margin-top: 2px;
}
.about-point h4 { font-size: 1.15rem; margin-bottom: 3px; }
.about-point p { font-size: 14px; color: var(--text-light); margin: 0; }

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.about-stat-card {
    background: var(--navy);
    color: var(--white);
    padding: 36px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}
.about-stat-card:nth-child(2),
.about-stat-card:nth-child(3) {
    background: var(--orange);
}
.about-stat-card:hover { transform: translateY(-6px); }

.about-stat-card i {
    font-size: 28px;
    margin-bottom: 16px;
    opacity: 0.9;
}

.about-stat-number {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    line-height: 1;
    display: inline-block;
}
.about-stat-suffix {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 800;
    font-size: 2rem;
    color: rgba(255,255,255,0.8);
}
.about-stat-label {
    display: block;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 10px;
    opacity: 0.85;
    font-weight: 500;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.contact::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(242,106,33,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: grid;
    gap: 20px;
    align-content: start;
}

.contact-card {
    padding: 26px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.contact-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(242, 106, 33, 0.4);
}

.contact-card i {
    font-size: 22px;
    color: var(--orange);
    margin-bottom: 12px;
}
.contact-card h4 {
    color: var(--white);
    font-size: 1.15rem;
    margin-bottom: 6px;
}
.contact-card a {
    display: block;
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
    word-break: break-word;
}
.contact-card a:hover { color: var(--orange-light); }
.contact-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 13.5px;
}

.contact-form {
    background: var(--white);
    padding: 44px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    color: var(--text);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: var(--text);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 4px rgba(242, 106, 33, 0.12);
}

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

.form-success {
    display: none;
    position: absolute;
    inset: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.form-success.show { display: flex; }
.form-success i {
    font-size: 60px;
    color: #22C55E;
    margin-bottom: 20px;
}
.form-success h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}
.form-success p { color: var(--text-light); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
    background: var(--navy-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 72px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-main { color: var(--white); }

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--orange);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 22px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
}

.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}
.footer-col ul a:hover { color: var(--orange); padding-left: 4px; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 28px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--orange);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(242, 106, 33, 0.45);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--transition);
    z-index: 999;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--orange-dark);
    transform: translateY(-4px);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .value-grid { grid-template-columns: repeat(2, 1fr); }
    .value-card:nth-child(2) { border-right: none; }
    .value-card:nth-child(1),
    .value-card:nth-child(2) { border-bottom: 1px solid var(--border); }
    .services-grid { grid-template-columns: 1fr; }
    .fleet-grid { grid-template-columns: 1fr; gap: 40px; }
    .fleet-image { height: 380px; }
    .maintenance-grid { grid-template-columns: 1fr; gap: 40px; }
    .maintenance-image { height: 400px; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .navbar { padding: 14px 0; }

    .hamburger { display: flex; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--navy);
        flex-direction: column;
        align-items: stretch;
        padding: 100px 24px 40px;
        gap: 8px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
    }
    .nav-menu.open { right: 0; }
    .nav-link {
        color: rgba(255, 255, 255, 0.9) !important;
        padding: 14px 16px;
        border-radius: 8px;
        font-size: 15px;
    }
    .nav-link:hover, .nav-link.active {
        color: var(--orange) !important;
        background: rgba(255, 255, 255, 0.05);
    }
    .nav-cta { margin: 20px 0 0; justify-content: center; }

    .hero { min-height: auto; padding: 120px 0 100px; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .hero-buttons .btn { width: 100%; }
    .hero-stats { grid-template-columns: 1fr 1fr; gap: 24px; }

    .value-bar { margin-top: -30px; }
    .value-grid { grid-template-columns: 1fr; }
    .value-card { border-right: none !important; border-bottom: 1px solid var(--border); }
    .value-card:last-child { border-bottom: none; }

    .section-header { margin-bottom: 44px; }

    .fleet-tabs { justify-content: flex-start; overflow-x: auto; padding-bottom: 8px; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
    .fleet-tab { flex-shrink: 0; }
    .fleet-image { height: 280px; }
    .spec-grid { grid-template-columns: 1fr; }
    .fleet-info h3 { font-size: 1.75rem; }

    .maintenance-features { grid-template-columns: 1fr; }
    .maintenance-image { height: 300px; }

    .about-stats { grid-template-columns: 1fr 1fr; }
    .about-stat-number { font-size: 2.25rem; }

    .contact-form { padding: 28px 22px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }

    .service-features { grid-template-columns: 1fr; }
    .service-body { padding: 24px; }
    .service-body h3 { font-size: 1.4rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }
    .hero-stats { grid-template-columns: 1fr 1fr; gap: 20px; }
    .stat-label { font-size: 11px; }
    .about-stats { grid-template-columns: 1fr; }
}