/* =============================================================================
   GRAND TELECOM — Main Stylesheet v4.0 (Modern Redesign)
   ============================================================================= */

/* ─── 1. DESIGN TOKENS ────────────────────────────────────────────────────── */
:root {
    /* Brand Palette */
    --primary-color: #1a237e;
    --primary-light: #3949ab;
    --secondary-color: #0d1754;
    --accent-color: #283593;
    --accent-cyan: #00B4D8;
    --accent-cyan-dark: #0077B6;
    --gold: #FFB800;

    /* Neutrals */
    --white: #ffffff;
    --off-white: #F4F7FF;
    --light-gray: #eef2f9;
    --mid-gray: #d0d7e8;
    --gray: #6b7a99;
    --dark-gray: #3a4565;
    --dark-color: #111827;

    /* Status */
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* Shadows */
    --shadow-sm:  0 2px 8px  rgba(26,35,126,.08);
    --shadow-md:  0 6px 24px rgba(26,35,126,.12);
    --shadow-lg:  0 16px 48px rgba(26,35,126,.18);
    --shadow-cyan: 0 8px 32px rgba(0,180,216,.30);
    --box-shadow: var(--shadow-md);

    /* Radii */
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 22px;
    --r-xl: 32px;

    /* Layout */
    --max-w: 1280px;
    --nav-h: 64px;

    /* Transitions */
    --transition: all .3s ease;
    --transition-slow: all .55s ease;
}

/* ─── 2. RESET & BASE ─────────────────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background: var(--off-white);
    padding-top: var(--nav-h);
    overflow-x: hidden;
}

ul { list-style: none; }
a { text-decoration: none; color: var(--primary-color); transition: var(--transition); }
a:hover { color: var(--accent-cyan); }
img { max-width: 100%; height: auto; display: block; }
p { margin-bottom: .9rem; }
h1,h2,h3,h4,h5,h6 { line-height: 1.25; font-weight: 700; margin-bottom: .75rem; }

/* ─── 3. LAYOUT UTILS ────────────────────────────────────────────────────── */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: var(--primary-color);
    color: var(--white);
    padding: .75rem 2rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    letter-spacing: .02em;
}
.btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Section anchor offset */
#home,#services,#tariffs,#about,#contact { scroll-margin-top: var(--nav-h); }

.section { padding: 5rem 0; scroll-margin-top: var(--nav-h); }

/* ── Bütün əsas sectionlar eyni ölçüdə ────────────────────────────────────── */
.hero,
.campaigns,
.tariffs,
.about,
.contact-section {
    min-height: calc(100vh - var(--nav-h));
    scroll-margin-top: var(--nav-h);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Shared section header */
.section-header {
    text-align: center;
    margin-bottom: 2rem;
}
.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: .6rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 60%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-header h2::after {
    content: '';
    display: block;
    width: 64px;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary-light));
    margin: .75rem auto 0;
}
.section-header p {
    color: var(--gray);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto;
}

/* Legacy .section-title */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--primary-light) 50%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary-color));
    margin: .75rem auto 0;
    border-radius: 2px;
}

/* ─── 4. LOADING SCREEN ──────────────────────────────────────────────────── */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 9999;
    transition: opacity .5s ease, visibility .5s ease;
}
.loading-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader {
    width: 52px;
    height: 52px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary-color);
    border-right-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── 5. HEADER / NAVBAR ─────────────────────────────────────────────────── */
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-h);
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(26,35,126,.08), var(--shadow-sm);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: box-shadow .3s;
}
header.scrolled {
    box-shadow: 0 1px 0 rgba(26,35,126,.1), var(--shadow-md);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    max-width: var(--max-w);
    margin: 0 auto;
    width: 100%;
    height: 100%;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: transform .2s ease;
}
.nav-logo:hover { transform: scale(1.04); }
.nav-logo .logo-img  { height: 44px; width: auto; }
.nav-logo .logo-text { height: 34px; width: auto; }
.logo { display: flex; align-items: center; }
.logo-img  { height: 44px; width: auto; }
.logo-text { height: 32px; width: auto; margin-left: 8px; }

/* Nav menu */
.nav-menu {
    display: flex;
    gap: .25rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
    height: 100%;
}
@media (min-width: 769px) {
    .nav-menu { margin-left: auto; }
    .language-selector { margin-left: 8px; }
}

.nav-menu li a {
    color: var(--dark-gray);
    font-size: .9rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--r-sm);
    display: block;
    transition: var(--transition);
    position: relative;
}
.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--primary-color);
    background: rgba(26,35,126,.07);
}
.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 12px;
    right: 12px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary-color));
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform .3s ease;
    transform-origin: left;
}
.nav-menu li a:hover::after,
.nav-menu li a.active::after { transform: scaleX(1); }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    padding: 4px;
}
.hamburger .bar {
    width: 24px;
    height: 2.5px;
    background: var(--primary-color);
    margin: 3px 0;
    border-radius: 2px;
    transition: var(--transition);
}
.hamburger.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px,6px); }
.hamburger.active .bar:nth-child(2) { opacity: 0; transform: translateX(-8px); }
.hamburger.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px,-6px); }

/* ─── 6. LANGUAGE SELECTOR ───────────────────────────────────────────────── */
.language-selector { margin-right: 0; }
.language-dropdown { position: relative; }
.language-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    background: transparent;
    border: 1.5px solid var(--mid-gray);
    border-radius: var(--r-sm);
    padding: 7px 12px;
    cursor: pointer;
    font-size: .82rem;
    font-weight: 600;
    color: var(--dark-gray);
    transition: var(--transition);
}
.language-btn:hover {
    background: rgba(0,180,216,.08);
    border-color: var(--accent-cyan);
    color: var(--primary-color);
}
.language-btn i.fa-chevron-down {
    font-size: .65rem;
    transition: transform .3s;
}
.language-dropdown.active .language-btn i.fa-chevron-down { transform: rotate(180deg); }

.language-options {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border: 1px solid var(--mid-gray);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    min-width: 170px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    overflow: hidden;
}
.language-dropdown.active .language-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.language-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    cursor: pointer;
    font-size: .85rem;
    transition: background .2s;
}
.language-option:hover { background: var(--off-white); }
.language-option .flag { font-size: .9rem; width: 22px; flex-shrink: 0; }

/* ─── 7. HERO SECTION ────────────────────────────────────────────────────── */
main { margin-top: 0; padding: 0; }

.hero {
    position: relative;
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--secondary-color);
}

/* Animated gradient background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 70% at 20% 30%, rgba(0,180,216,.28) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 80% 70%, rgba(57,73,171,.35) 0%, transparent 60%),
        linear-gradient(135deg, #0d1754 0%, #1a237e 45%, #0d47a1 100%);
    z-index: 0;
    animation: heroBgShift 10s ease infinite alternate;
}
@keyframes heroBgShift {
    0%   { filter: brightness(1)   hue-rotate(0deg); }
    100% { filter: brightness(1.07) hue-rotate(8deg); }
}

/* Grid overlay */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 48px 48px;
    z-index: 1;
}

/* Dark overlay */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5,10,35,.28);
    z-index: 2;
}

/* Floating orbs */
.hero-content::before {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(0,180,216,.18) 0%, transparent 70%);
    top: -100px;
    right: -80px;
    border-radius: 50%;
    animation: floatOrb 8s ease-in-out infinite;
    pointer-events: none;
}
.hero-content::after {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255,184,0,.12) 0%, transparent 70%);
    bottom: -60px;
    left: 10%;
    border-radius: 50%;
    animation: floatOrb 6s ease-in-out infinite reverse;
    pointer-events: none;
}
@keyframes floatOrb {
    0%,100% { transform: translateY(0) scale(1); }
    50%      { transform: translateY(-30px) scale(1.08); }
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 5rem 1.5rem;
    width: 100%;
}

.hero-text { text-align: left; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(0,180,216,.2);
    border: 1px solid rgba(0,180,216,.4);
    color: #7de8f8;
    padding: .4rem 1rem;
    border-radius: 50px;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .05em;
    margin-bottom: 1.2rem;
    backdrop-filter: blur(8px);
}
.hero-badge i { font-size: .75rem; }

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 1.2rem;
    text-shadow: 0 2px 20px rgba(0,0,0,.25);
}
.hero h1 span {
    background: linear-gradient(90deg, #7de8f8, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p, #hero-subtitle, #hero-description {
    font-size: clamp(.95rem, 1.8vw, 1.15rem);
    color: rgba(255,255,255,.88);
    line-height: 1.7;
    max-width: 580px;
    margin-bottom: 1rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .85rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: .95rem;
    transition: var(--transition);
    border: 2px solid transparent;
    letter-spacing: .02em;
    cursor: pointer;
}
.cta-button.primary {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, #0077B6 100%);
    color: var(--white);
    box-shadow: 0 6px 24px rgba(0,180,216,.40);
}
.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(0,180,216,.55);
    filter: brightness(1.08);
}
.cta-button.secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,.55);
    backdrop-filter: blur(8px);
}
.cta-button.secondary:hover {
    background: rgba(255,255,255,.12);
    border-color: var(--white);
    transform: translateY(-3px);
}

/* Hero features panel */
.hero-features {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: var(--r-lg);
    padding: 1.5rem;
    backdrop-filter: blur(12px);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: .65rem 1rem;
    background: rgba(255,255,255,.10);
    border-radius: var(--r-md);
    transition: background .2s;
}
.feature-item:hover { background: rgba(255,255,255,.18); }
.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,180,216,.25);
    border-radius: 50%;
    font-size: 1.15rem;
    flex-shrink: 0;
    color: #7de8f8;
}
.feature-item span {
    color: var(--white);
    font-size: .92rem;
    font-weight: 500;
}

/* Desktop hero grid */
@media (min-width: 769px) {
    .hero-content {
        display: grid;
        grid-template-columns: 1.25fr .75fr;
        gap: 3rem;
        align-items: center;
    }
}
@media (max-width: 768px) {
    .hero-text  { text-align: center; }
    .hero-buttons { justify-content: center; }
    .hero h1    { font-size: 2.2rem; }
    .hero p, #hero-subtitle, #hero-description { margin-left: auto; margin-right: auto; }
    .hero-features { margin-top: 2rem; }
}

/* ─── 8. WAVE DIVIDERS ───────────────────────────────────────────────────── */
.wave-bottom {
    position: relative;
    overflow: hidden;
}
.wave-bottom::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 60px;
    background: var(--off-white);
    clip-path: ellipse(60% 100% at 50% 100%);
}

/* ─── 9. CAMPAIGNS SECTION ───────────────────────────────────────────────── */
.campaigns {
    background: var(--white);
    padding: 2rem 0 3.5rem;
    box-sizing: border-box;
}
.campaigns-content {
    max-width: var(--max-w);
    width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    box-sizing: border-box;
}
.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}
.campaign-card { position: relative; }
.campaign-badge {
    background: linear-gradient(135deg, #e74c3c, #c0392b) !important;
}

/* Campaign cards: həmişə açıq fon — featured dark stil ləğv edilir */
.campaign-card,
.campaign-card.featured {
    background: var(--white) !important;
    color: var(--dark-color) !important;
}
.campaign-card.featured::before {
    background: linear-gradient(90deg, var(--primary-light), var(--accent-cyan)) !important;
    height: 3px;
}
.campaign-card h3,
.campaign-card.featured h3 {
    color: var(--primary-color) !important;
}
.campaign-card .tariff-icon,
.campaign-card.featured .tariff-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light)) !important;
    box-shadow: 0 4px 16px rgba(26,35,126,.25) !important;
}
.campaign-card .tariff-price,
.campaign-card.featured .tariff-price       { color: var(--primary-color) !important; }
.campaign-card .tariff-price span,
.campaign-card.featured .tariff-price span  { color: var(--gray) !important; }
.campaign-card .speed,
.campaign-card.featured .speed {
    background: rgba(0,180,216,.12) !important;
    color: var(--primary-color) !important;
}
.campaign-card .tariff-features li,
.campaign-card.featured .tariff-features li {
    color: var(--dark-gray) !important;
    border-bottom-color: var(--light-gray) !important;
}
.campaign-card .tariff-features li::before,
.campaign-card.featured .tariff-features li::before { color: var(--accent-cyan) !important; }
.campaign-card .tariff-button,
.campaign-card.featured .tariff-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
    color: var(--white) !important;
    box-shadow: none !important;
}
.campaign-card .tariff-button:hover,
.campaign-card.featured .tariff-button:hover {
    box-shadow: 0 6px 20px rgba(26,35,126,.35) !important;
    filter: brightness(1.12);
}
.campaign-card.featured:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.campaign-desc {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--primary-color) !important;
    line-height: 1.5;
    margin-bottom: 0.75rem;
    letter-spacing: 0.01em;
    padding: 0.3rem 0.7rem;
    background: linear-gradient(135deg, rgba(0,180,216,.12) 0%, rgba(26,35,126,.08) 100%) !important;
    border-left: 3px solid var(--accent-cyan);
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    text-align: left;
}

/* Service card (dynamic + about-features) */
.service-card {
    background: var(--white);
    border: 1px solid var(--mid-gray);
    border-radius: var(--r-lg);
    padding: 2rem 1.75rem;
    position: relative;
    overflow: hidden;
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
    display: flex;
    flex-direction: column;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary-color));
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,180,216,.3);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card.feature {
    background: var(--white);
    border-radius: var(--r-lg);
    padding: 2rem 1.75rem;
}
.service-card.feature::before {
    transform: scaleX(1);
    background: linear-gradient(90deg, var(--primary-color), var(--accent-cyan));
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, rgba(0,180,216,.12) 0%, rgba(26,35,126,.12) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
    font-size: 1.6rem;
    color: var(--primary-color);
}
.service-card:hover .service-icon {
    background: linear-gradient(135deg, rgba(0,180,216,.22) 0%, rgba(26,35,126,.18) 100%);
    transform: rotate(-4deg) scale(1.08);
}
.service-icon img { width: 36px; height: 36px; object-fit: contain; }
.service-icon .emoji-icon { font-size: 1.5rem; }

.service-card.feature h3 {
    font-size: 1.35rem;
    color: var(--primary-color);
    font-weight: 700;
    text-align: center;
    margin-bottom: .75rem;
}
.service-card.feature p {
    color: var(--gray);
    font-size: .95rem;
    line-height: 1.7;
    text-align: center;
    margin-bottom: 1.25rem;
}
.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
}
.service-features li {
    padding: .45rem 0 .45rem 1.5rem;
    border-bottom: 1px solid var(--light-gray);
    font-size: .9rem;
    color: var(--dark-gray);
    position: relative;
    transition: color .2s;
}
.service-features li:last-child { border-bottom: none; }
.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 700;
}
.service-features li:hover { color: var(--primary-color); }

/* About-features (mission/vision/values cards) */
.about-features {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
@media (max-width: 900px) {
    .about-features { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 576px) {
    .about-features { grid-template-columns: 1fr; }
}

.about-features .feature {
    background: var(--white);
    border: 1px solid var(--mid-gray);
    border-radius: var(--r-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.about-features .feature::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-cyan));
}
.about-features .feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0,180,216,.3);
}
.about-features .feature-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(26,35,126,.08) 0%, rgba(0,180,216,.12) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.8rem;
    transition: var(--transition);
}
.about-features .feature:hover .feature-icon {
    transform: scale(1.12) rotate(-5deg);
    background: linear-gradient(135deg, rgba(26,35,126,.15) 0%, rgba(0,180,216,.20) 100%);
}
.about-features .feature h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: .75rem;
}
.about-features .feature p {
    color: var(--gray);
    font-size: .9rem;
    line-height: 1.7;
    margin: 0;
}

/* ─── 10. TARIFFS SECTION ────────────────────────────────────────────────── */
.tariffs {
    background: linear-gradient(180deg, var(--off-white) 0%, var(--light-gray) 100%);
    padding: 2rem 0 3.5rem;
    box-sizing: border-box;
}
.tariffs-content {
    max-width: var(--max-w);
    width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    box-sizing: border-box;
    text-align: center;
}
.tariffs-subtitle {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}
.tariffs-grid {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: stretch;
}

.tariff-card {
    background: var(--white);
    border-radius: var(--r-lg);
    padding: 2rem 1.75rem 1.75rem;
    box-shadow: var(--shadow-sm);
    border: 1.5px solid var(--mid-gray);
    flex: 1;
    min-width: 270px;
    max-width: 340px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: clip;
    transition: transform .35s ease, box-shadow .35s ease;
}
.tariff-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-cyan));
}
.tariff-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,180,216,.3);
}

/* Featured card */
.tariff-card.featured {
    background: linear-gradient(155deg, var(--primary-color) 0%, #0d1754 100%);
    border-color: transparent;
    box-shadow: 0 12px 48px rgba(26,35,126,.40);
    transform: scale(1.03);
    z-index: 2;
}
.tariff-card.featured::before {
    background: linear-gradient(90deg, var(--gold), var(--accent-cyan));
    height: 4px;
}
.tariff-card.featured:hover {
    transform: scale(1.03) translateY(-8px);
    box-shadow: 0 20px 60px rgba(26,35,126,.50);
}
.tariff-card.featured .tariff-card-inner * { color: var(--white) !important; }

.popular-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--gold), #e6a200);
    color: var(--secondary-color);
    padding: .3rem 1.2rem;
    border-radius: 0 0 14px 14px;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.tariff-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: .5rem auto 1rem;
    box-shadow: 0 4px 16px rgba(26,35,126,.30);
    transition: var(--transition);
}
.tariff-card:hover .tariff-icon { transform: rotate(-8deg) scale(1.12); }
.tariff-icon i { font-size: 1.2rem; color: var(--white); }
.tariff-icon.featured-icon {
    background: linear-gradient(135deg, var(--gold) 0%, #e6a200 100%);
    box-shadow: 0 4px 16px rgba(255,184,0,.40);
}
.tariff-card.featured .tariff-icon {
    background: rgba(255,255,255,.18);
    box-shadow: 0 4px 16px rgba(0,0,0,.20);
}

.tariff-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: .5rem;
    text-align: center;
}
.tariff-card.featured h3 { color: var(--white); }

.tariff-price {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: .2rem;
    text-align: center;
    line-height: 1;
}
.tariff-price span {
    font-size: .85rem;
    font-weight: 400;
    color: var(--gray);
}
.tariff-card.featured .tariff-price { color: var(--white); }
.tariff-card.featured .tariff-price span { color: rgba(255,255,255,.65); }

.speed {
    display: inline-block;
    background: rgba(0,180,216,.12);
    color: var(--accent-cyan-dark);
    font-size: .78rem;
    font-weight: 700;
    padding: .25rem .85rem;
    border-radius: 50px;
    margin: .3rem auto .9rem;
    letter-spacing: .04em;
    text-align: center;
}
.tariff-card.featured .speed {
    background: rgba(255,255,255,.18);
    color: #a8efff;
}

.tariff-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    text-align: left;
    flex: 1;
}
.tariff-features li {
    padding: .38rem 0 .38rem 1.4rem;
    font-size: .85rem;
    color: var(--dark-gray);
    position: relative;
    border-bottom: 1px solid var(--light-gray);
}
.tariff-features li:last-child { border-bottom: none; }
.tariff-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: .85rem;
}
.tariff-card.featured .tariff-features li {
    color: rgba(255,255,255,.85);
    border-bottom-color: rgba(255,255,255,.12);
}
.tariff-card.featured .tariff-features li::before { color: var(--gold); }

.tariff-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: .85rem 1.5rem;
    border: none;
    border-radius: 50px;
    margin-top: auto;
    cursor: pointer;
    font-size: .9rem;
    font-weight: 700;
    transition: var(--transition);
    width: 100%;
    margin-top: auto;
    letter-spacing: .03em;
}
.tariff-button:hover {
    filter: brightness(1.12);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26,35,126,.35);
}
.tariff-card.featured .tariff-button {
    background: linear-gradient(135deg, var(--gold) 0%, #e6a200 100%);
    color: var(--secondary-color);
    box-shadow: 0 4px 16px rgba(255,184,0,.40);
}
.tariff-card.featured .tariff-button:hover {
    box-shadow: 0 8px 28px rgba(255,184,0,.60);
}

/* Mobile tariffs */
@media (max-width: 768px) {
    .tariffs-grid { flex-direction: column; align-items: center; }
    .tariff-card.featured { transform: scale(1); }
    .tariff-card.featured:hover { transform: translateY(-8px); }
    .tariff-card { max-width: 380px; width: 100%; }
}

/* ─── 11. ABOUT SECTION ──────────────────────────────────────────────────── */
.about {
    background: var(--white);
    padding: 2rem 0 3.5rem;
    box-sizing: border-box;
}
.about-content {
    max-width: var(--max-w);
    width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    box-sizing: border-box;
    text-align: center;
}
.about-intro { margin-bottom: 3rem; }
.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto;
}

/* Stats */
.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
    padding: 2.5rem 2rem;
    background: linear-gradient(135deg, var(--off-white) 0%, var(--light-gray) 100%);
    border-radius: var(--r-xl);
    border: 1px solid var(--mid-gray);
}
.stat-item { text-align: center; padding: 1rem; }
.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: .3rem;
    line-height: 1;
}
.stat-label { font-size: .95rem; color: var(--gray); font-weight: 500; }

/* Legacy .stat */
.stats { display: flex; justify-content: space-around; flex-wrap: wrap; margin-top: 3rem; }
.stat  { text-align: center; padding: 1.5rem; flex: 1; min-width: 140px; }
.stat-text { font-size: 1rem; color: var(--gray); }

.about-intro h2 {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    color: var(--primary-color);
    font-weight: 800;
}
.about-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray);
    max-width: 720px;
    margin: 0 auto 2.5rem;
}
.about-grid { display: block; }

/* Mission / Vision cards */
.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.mission-card, .vision-card {
    background: var(--off-white);
    border: 1px solid var(--mid-gray);
    padding: 2.5rem;
    border-radius: var(--r-lg);
    text-align: center;
    transition: var(--transition);
}
.mission-card:hover, .vision-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.card-icon { font-size: 2.8rem; margin-bottom: 1.25rem; display: block; }
.mission-card h3, .vision-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.mission-text, .vision-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

.read-more-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: .75rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: .95rem;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(26,35,126,.30);
}
.read-more-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26,35,126,.40);
    color: var(--white);
}

/* ─── 12. CONTACT SECTION ────────────────────────────────────────────────── */
.contact-section {
    background: linear-gradient(180deg, var(--off-white) 0%, var(--light-gray) 100%);
    padding: 2rem 0 3.5rem;
    box-sizing: border-box;
}
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 2rem;
    max-width: 1100px;
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 0 1.5rem;
    align-items: start;
}
@media (max-width: 900px) {
    .contact-wrapper { grid-template-columns: 1fr; }
}

/* Contact info panel */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: .9rem;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--mid-gray);
    position: relative;
    overflow: hidden;
}
.contact-info::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary-color));
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .85rem 1rem;
    background: var(--off-white);
    border-radius: var(--r-md);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
}
.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: rgba(0,180,216,.25);
    background: var(--white);
}
.info-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: .9rem;
    flex-shrink: 0;
}
.info-content h4 {
    color: var(--primary-color);
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: .15rem;
}
.info-content span, .info-content a {
    color: var(--dark-gray);
    font-size: .88rem;
    display: block;
}
.info-content a:hover { color: var(--accent-cyan); }

/* Contact form panel */
.contact-form-container {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--mid-gray);
    position: relative;
    overflow: hidden;
}
.contact-form-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-cyan));
}
.contact-form-container h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
    padding-top: .5rem;
}

/* Form layout */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}
@media (max-width: 576px) {
    .form-row { grid-template-columns: 1fr; }
}

.form-field {
    display: flex;
    flex-direction: column;
    position: relative;
}
.form-field label {
    color: var(--dark-gray);
    font-weight: 600;
    font-size: .8rem;
    margin-bottom: .35rem;
    letter-spacing: .02em;
}
.form-field input,
.form-field select {
    padding: .6rem .85rem !important;
    border: 1.5px solid var(--mid-gray) !important;
    border-radius: var(--r-sm) !important;
    font-size: .9rem !important;
    font-family: inherit;
    background: var(--white) !important;
    color: var(--dark-color) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    min-height: 40px !important;
    height: 40px !important;
    transition: border-color .3s, box-shadow .3s;
    pointer-events: auto !important;
}
.form-field textarea {
    padding: .75rem .85rem;
    border: 1.5px solid var(--mid-gray) !important;
    border-radius: var(--r-sm) !important;
    font-size: .9rem;
    font-family: inherit;
    background: var(--white) !important;
    color: var(--dark-color) !important;
    width: 100%;
    box-sizing: border-box;
    min-height: 110px;
    resize: vertical;
    transition: border-color .3s, box-shadow .3s;
    pointer-events: auto !important;
}
.form-field select {
    background: var(--off-white) !important;
    cursor: pointer;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none !important;
    border-color: var(--accent-cyan) !important;
    box-shadow: 0 0 0 3px rgba(0,180,216,.15) !important;
    background: var(--white) !important;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #b0b9cb; font-style: italic; }

.error-message {
    color: var(--danger);
    font-size: .72rem;
    margin-top: .25rem;
    display: none;
}
.form-status {
    margin-top: 1rem;
    padding: .75rem 1rem;
    border-radius: var(--r-sm);
    font-size: .9rem;
    font-weight: 600;
    text-align: center;
    display: none;
}
.form-status.success {
    background: rgba(34,197,94,.1);
    color: #16a34a;
    border: 1px solid rgba(34,197,94,.3);
    display: block;
}
.form-status.error {
    background: rgba(239,68,68,.1);
    color: #dc2626;
    border: 1px solid rgba(239,68,68,.3);
    display: block;
}

/* Submit button */
#contact-submit, button[form="contact-form"], .contact-form .btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: .9rem 2.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: .95rem;
    font-weight: 700;
    width: 100%;
    margin-top: 1rem;
    transition: var(--transition);
    letter-spacing: .03em;
    display: block;
}
#contact-submit:hover, button[form="contact-form"]:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(26,35,126,.35);
}

/* Legacy contact styles */
.contact-info h3 { font-size: 1.6rem; color: var(--white); margin-bottom: 1.25rem; }
.contact-info p  { margin-bottom: 1.2rem; display: flex; align-items: center; color: rgba(255,255,255,.9); }
.contact-info p strong { min-width: 110px; color: var(--white); font-weight: 600; }
.contact-item {
    background: rgba(255,255,255,.10);
    padding: 1.75rem 1.5rem;
    border-radius: var(--r-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.18);
    transition: var(--transition);
    text-align: center;
}
.contact-item:hover { transform: translateY(-5px); background: rgba(255,255,255,.15); }
.contact-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,.18);
    border-radius: 50%;
    margin: 0 auto 1.25rem;
    font-size: 1.4rem;
    color: var(--white);
}
.contact-details h3 { color: var(--white); font-size: 1.2rem; margin-bottom: .75rem; }
.contact-details p  { color: rgba(255,255,255,.88); font-size: .95rem; line-height: 1.6; margin: 0; }
.contact-simple { margin-top: 2rem; }
.contact-info-compact {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}
.contact-item-compact {
    display: flex;
    align-items: center;
    gap: .8rem;
    background: rgba(255,255,255,.10);
    padding: .9rem 1.4rem;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,.18);
    transition: var(--transition);
}
.contact-item-compact:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); }
.contact-item-compact i   { color: var(--white); font-size: 1.1rem; width: 18px; }
.contact-item-compact span { color: var(--white); font-size: .95rem; font-weight: 500; }
.contact-form {
    background: rgba(255,255,255,.10);
    border-radius: var(--r-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.18);
    width: 100%;
    max-width: 500px;
}
.contact-form h3 { color: var(--white); font-size: 1.6rem; margin-bottom: 1.75rem; text-align: center; }
.form-group { margin-bottom: 1.25rem; }
.contact-form input, .contact-form textarea, .contact-form select {
    width: 100%; padding: .9rem 1rem;
    border: 1px solid rgba(255,255,255,.28); border-radius: var(--r-sm);
    font-size: 1rem; background: rgba(255,255,255,.10); color: var(--white);
    transition: var(--transition); backdrop-filter: blur(5px); font-family: inherit;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,.65); }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
    outline: none; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.15);
}
.contact-form select option { background: var(--primary-color); color: var(--white); }
.contact-form textarea { height: 140px; resize: vertical; }

/* ─── 13. FOOTER ─────────────────────────────────────────────────────────── */
footer {
    background: linear-gradient(155deg, var(--secondary-color) 0%, #0a1230 100%);
    color: var(--white);
    padding: 4rem 0 0;
    position: relative;
    overflow: hidden;
}
footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--primary-light), var(--gold));
}
footer::after {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,180,216,.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 2rem;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
    position: relative;
    z-index: 1;
}
.footer-section { }
.footer-section h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--white), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    color: rgba(255,255,255,.9);
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: .5rem;
}
.footer-section h4::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 32px; height: 2px;
    background: var(--accent-cyan);
    border-radius: 1px;
}
.footer-section p {
    color: rgba(255,255,255,.65);
    font-size: .9rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}
.footer-section ul li { margin-bottom: .6rem; }
.footer-section a {
    color: rgba(255,255,255,.65);
    font-size: .88rem;
    transition: var(--transition);
}
.footer-section a:hover {
    color: var(--accent-cyan);
    padding-left: 4px;
}
.footer-logo { height: 38px; margin-bottom: .75rem; }

/* Social icons */
.social-links { display: flex; gap: .75rem; margin-top: .5rem; }
.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 50%;
    color: var(--white);
    font-size: .9rem;
    transition: var(--transition);
}
.social-icon:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0,180,216,.40);
}

/* Footer bottom bar */
.footer-bottom {
    text-align: center;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: .85rem;
    color: rgba(255,255,255,.45);
    position: relative;
    z-index: 1;
}

/* ─── 14. BACK TO TOP ────────────────────────────────────────────────────── */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 16px rgba(0,180,216,.40);
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,180,216,.55); }

/* ─── 15. ALERT / PAGE ALERT ─────────────────────────────────────────────── */
.alert {
    padding: 14px 20px;
    margin: 20px 0;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    font-size: .95rem;
}

/* ─── 16. ANIMATIONS ─────────────────────────────────────────────────────── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn  { from { transform: translateX(120%); } to { transform: translateX(0); } }
@keyframes slideOut { from { transform: translateX(0); }   to { transform: translateX(120%); } }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(0,180,216,.5); } 50% { box-shadow: 0 0 0 12px rgba(0,180,216,0); } }

.animate-in {
    animation: fadeInUp .65s ease both;
}

/* ─── 17. RESPONSIVE DESIGN ──────────────────────────────────────────────── */
@media screen and (max-width: 768px) {
    .hamburger { display: flex; }
    .language-selector { margin-left: auto; margin-right: 8px; }
    .nav-menu {
        position: fixed;
        right: -100%;
        top: var(--nav-h);
        height: calc(100vh - var(--nav-h));
        width: 72%;
        max-width: 280px;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right .45s cubic-bezier(.25,.46,.45,.94);
        box-shadow: -8px 0 32px rgba(26,35,126,.12);
        gap: .25rem;
    }
    .nav-menu.active { right: 0; }
    .nav-menu li { opacity: 0; transform: translateX(40px); transition: all .3s ease; }
    .nav-menu.active li { opacity: 1; transform: translateX(0); }
    .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; font-size: 1rem; }
    .hero-content { padding: 3.5rem 1rem; }
    main { margin-left: 0; margin-right: 0; }
}

@media (max-width: 992px) {
    .services-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
    .about-features { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 576px) {
    .services-grid { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
    .tariff-card { min-width: unset; }
    .footer-content { grid-template-columns: 1fr; }
    .stat-number { font-size: 2.2rem; }
    .contact-wrapper { padding: 0 .75rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons a, .hero-buttons button { width: 100%; max-width: 260px; text-align: center; justify-content: center; }
}

/* Mobile contact */
@media (max-width: 768px) {
    .contact-section { padding: 3rem 0 4rem; }
    .contact-wrapper { gap: 1.25rem; }
    .contact-info { padding: 1.25rem; gap: .65rem; }
    .info-card { padding: .65rem .75rem; }
    .contact-form-container { padding: 1.25rem; }
}

/* ─── 18. ADMIN PANEL (internal) ─────────────────────────────────────────── */
.tab-content { display: none; }
.tab-content.active { display: block; }
.service-card {
    /* These styles are used by admin panel service forms too */
}
.service-card h4 { margin-top: 0; color: var(--primary-color); }
.service-feature-item { display: flex; gap: 10px; margin-bottom: 5px; }
.service-feature-item input { flex: 1; }
.remove-service {
    background: var(--danger);
    color: var(--white);
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    float: right;
}
@media (max-width: 768px) {
    .admin-container { flex-direction: column !important; }
    .admin-header nav { padding: 8px 12px !important; }
}

/* ─── END ────────────────────────────────────────────────────────────────── */