/* ============================================================
   AIRPREMIUM SUPPORT — Stylesheet
   Warm cream / beige / navy color palette
   Each section fills viewport height
   ============================================================ */

/* ---------- VARIABLES ---------- */
:root {
    --cream: #f5f0e8;
    --cream-light: #faf7f2;
    --cream-dark: #e8e0d0;
    --navy: #1a2332;
    --navy-light: #2a3a52;
    --navy-muted: #3d4f65;
    --gold: #c8a96e;
    --gold-dark: #b89555;
    --text-dark: #1a2332;
    --text-body: #4a5568;
    --text-muted: #718096;
    --border: #d4cbb8;
    --border-light: #e4ddd0;
    --card-bg: #fff;
    --accent: #c8a96e;
    --radius: 0.75rem;
    --shadow-sm: 0 1px 3px rgba(26,35,50,.06);
    --shadow-md: 0 4px 12px rgba(26,35,50,.08);
    --shadow-lg: 0 12px 32px rgba(26,35,50,.1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'DM Sans', system-ui, sans-serif;
    color: var(--text-dark);
    background: var(--cream-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- LAYOUT ---------- */
.container { max-width: 72rem; margin: 0 auto; width: 100%; }
.center-btn { text-align: center; margin-top: 2.5rem; }
.section-alt { background: var(--cream); }
.text-primary { color: var(--gold) !important; }

/* Viewport-filling sections */
.hero,
.how-we-help,
.three-step,
.why-choose,
.airlines-section,
.cta-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 5rem 1.5rem;
}

/* ---------- TYPOGRAPHY ---------- */
.section-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 400;
    text-align: center;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    color: var(--text-muted);
    text-align: center;
    max-width: 36rem;
    margin: 0 auto 3.5rem;
}

.subsection-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 400;
    text-align: center;
    margin: 3.5rem 0 2rem;
    color: var(--text-dark);
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: var(--radius);
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
    line-height: 1;
}

.btn-dark {
    background: var(--navy);
    color: #fff;
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
}
.btn-dark:hover { background: var(--navy-light); box-shadow: var(--shadow-md); }

.btn-accent {
    background: var(--accent);
    color: #fff;
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
}
.btn-accent:hover { background: var(--gold-dark); }

.btn-xl { padding: 1rem 2rem; font-size: 1rem; }
.btn-pill { border-radius: 9999px; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--cream-light);
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s;
}
.header.scrolled {
    background: rgba(250,247,242,.95);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.logo-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navy);
    color: var(--gold);
    font-size: 0.9rem;
}
.logo-icon i { transform: rotate(-30deg); }

.logo-text-group { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); }
.logo-tagline { font-size: 0.55rem; letter-spacing: 0.15em; color: var(--text-muted); text-transform: uppercase; }

.header-phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--navy);
    color: #fff;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.85rem;
    transition: background 0.2s;
}
.header-phone-btn:hover { background: var(--navy-light); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    background: var(--cream);
    overflow: hidden;
    margin-top: -4rem;
    padding-top: 8rem;
}

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

.hero-content { display: flex; flex-direction: column; gap: 1.25rem; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--navy);
    color: #fff;
    border-radius: 9999px;
    padding: 0.4rem 1rem;
    font-size: 0.78rem;
    font-weight: 500;
    width: fit-content;
}

.hero h1 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--text-dark);
}

.hero-caps {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.hero-sub {
    font-size: 1rem;
    color: var(--text-body);
    line-height: 1.7;
    max-width: 28rem;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-top: 0.5rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.trust-item i { color: var(--navy); font-size: 0.85rem; }

/* Hero illustration */
.hero-illustration {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 420px;
    margin: 0 auto;
}

.map-bg {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, var(--cream-dark) 0%, var(--cream) 70%);
    opacity: 0.7;
}

.plane-icon-large {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-30deg);
    font-size: 5rem;
    color: var(--navy);
    opacity: 0.15;
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--cream-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 0.625rem 0.875rem;
    box-shadow: var(--shadow-md);
    font-size: 0.8rem;
}

.floating-badge i { color: var(--gold); font-size: 1rem; }

.fb-label { display: block; font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.fb-text { display: block; font-weight: 600; color: var(--text-dark); font-size: 0.8rem; }

.badge-verified { top: 10%; right: 0; }
.badge-encrypted { bottom: 15%; left: 0; }

/* ============================================================
   HOW WE HELP
   ============================================================ */
.how-we-help { background: var(--cream-light); }

.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.card-service {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s;
}
.card-service:hover {
    border-color: var(--border);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius);
    background: var(--cream);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.4rem;
    color: var(--navy);
}

.card-service h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.card-service p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Why Call Grid */
.why-call-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.why-call-item {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 1.25rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: all 0.3s;
}
.why-call-item:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-md);
}

.why-call-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--cream);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--navy);
    font-size: 1rem;
    border: 1px solid var(--border-light);
}

.why-call-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.15rem; color: var(--text-dark); }
.why-call-item p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* ============================================================
   3-STEP PROCESS
   ============================================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.step { text-align: center; position: relative; }

.step-circle {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    border: 2px solid var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    position: relative;
    z-index: 2;
    background: var(--cream);
}

.step-line {
    position: absolute;
    top: 1.75rem;
    left: calc(50% + 2rem);
    width: calc(100% - 2rem);
    height: 2px;
    background: var(--border);
    z-index: 1;
}

.step:last-child .step-line { display: none; }

.step h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.step p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 0.75rem; }

.step-detail { font-size: 0.9rem; font-weight: 600; color: var(--navy); letter-spacing: 0.02em; }

.step-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.4rem; }

.tag {
    background: var(--cream-light);
    color: var(--navy);
    border: 1px solid var(--border);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
}

/* ============================================================
   WHY CHOOSE
   ============================================================ */
.why-choose { background: var(--cream-light); }

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

.why-choose-left h2 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 1.25rem;
    color: var(--text-dark);
    line-height: 1.2;
}

.why-choose-desc {
    font-size: 1rem;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 2rem;
}

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

.feature-item { display: flex; gap: 0.75rem; }

.feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--cream);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--navy);
    font-size: 0.95rem;
}

.feature-item h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.15rem; color: var(--text-dark); }
.feature-item p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

/* Stats Card — dark theme */
.stats-card {
    background: var(--navy);
    border-radius: 1.25rem;
    padding: 2.5rem 2rem;
    color: #fff;
    text-align: center;
}

.stat-big { margin-bottom: 2rem; }
.stat-number { font-size: clamp(3rem, 6vw, 4rem); font-weight: 800; line-height: 1; }
.stat-label { font-size: 0.75rem; letter-spacing: 0.15em; opacity: 0.6; margin-top: 0.4rem; text-transform: uppercase; }

.stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }

.stat-item {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius);
    padding: 1.25rem 0.75rem;
}

.stat-val { font-size: 1.5rem; font-weight: 700; }
.stat-desc { font-size: 0.65rem; letter-spacing: 0.1em; opacity: 0.5; margin-top: 0.25rem; text-transform: uppercase; }

/* ============================================================
   AIRLINES LOGOS
   ============================================================ */
.logos-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem 3rem;
    margin-bottom: 2.5rem;
}

.airline-logo-item {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s;
}
.airline-logo-item:hover { filter: grayscale(0%); opacity: 1; }

.airline-logo-item img {
    height: 2.5rem;
    width: auto;
    max-width: 9rem;
    object-fit: contain;
}

.badge-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gold);
    color: #fff;
    padding: 0.6rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.airlines-bottom-info {
    text-align: center;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.domestic-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--cream-light);
    border: 1px solid var(--border-light);
    border-radius: 9999px;
    padding: 0.4rem 1rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-dark);
}

.dot-success { width: 0.375rem; height: 0.375rem; background: #48bb78; border-radius: 50%; }
.airlines-bottom-info > p { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================================
   CTA
   ============================================================ */
.cta-section { background: var(--cream-light); }
.cta-content { text-align: center; }

.cta-content h2 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.cta-content > p {
    font-size: 1rem;
    color: var(--text-body);
    max-width: 32rem;
    margin: 0 auto 2rem;
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}
.trust-badge i { color: var(--navy); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--navy);
    color: rgba(255,255,255,.6);
    padding: 5rem 1.5rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.logo-icon-footer {
    width: 2.25rem;
    height: 2.25rem;
    background: rgba(200,169,110,.2);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 0.85rem;
}
.logo-icon-footer i { transform: rotate(-30deg); }

.logo-name-light { color: #fff; font-size: 1rem; font-weight: 700; }
.logo-tagline-light { color: rgba(255,255,255,.5); font-size: 0.55rem; letter-spacing: 0.15em; }

.footer-col p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 1rem; }

.footer-phone { color: var(--gold); font-weight: 600; font-size: 1rem; }
.footer-phone:hover { text-decoration: underline; }

.footer-col h4 { color: #fff; font-weight: 700; font-size: 0.75rem; letter-spacing: 0.12em; margin-bottom: 1.25rem; }

.footer-col ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-col ul li { font-size: 0.88rem; display: flex; align-items: center; gap: 0.625rem; }
.footer-col ul li a { opacity: 0.6; transition: all 0.2s; }
.footer-col ul li a:hover { opacity: 1; color: var(--gold); }
.footer-col ul li i { color: var(--gold); width: 1rem; font-size: 0.85rem; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    font-size: 0.8rem;
}
.footer-bottom p { opacity: 0.4; }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { opacity: 0.4; transition: opacity 0.2s; }
.footer-bottom-links a:hover { opacity: 1; }

/* ============================================================
   MOBILE POPUP — Full-screen (≤ 768px only)
   Same functionality as 01
   ============================================================ */
.popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,.5);
}
.popup-overlay.active { display: flex; }

.popup-dialog {
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border-radius: 0;
    border: 0;
    background: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.popup-close-btn {
    position: absolute;
    top: 1rem;
    right: 0.75rem;
    width: 2rem;
    height: 2rem;
    background: var(--cream);
    color: var(--text-muted);
    border: none;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all 0.2s;
    line-height: 1;
}
.popup-close-btn:hover { background: var(--cream-dark); color: var(--text-dark); }

.popup-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    overflow-y: auto;
    min-height: 0;
}

.popup-brand {
    color: var(--navy);
    font-family: 'DM Sans', sans-serif;
    font-size: 1.75rem;
    font-weight: 300;
    letter-spacing: 0.12em;
    text-align: center;
    margin-bottom: 1.5rem;
}

.popup-phone-box {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: 2px solid var(--navy);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
}
.popup-phone-box i { color: var(--navy); font-size: 1.4rem; }
.popup-phone-box span { color: var(--navy); font-size: 1.4rem; font-weight: 700; letter-spacing: 0.03em; }
.popup-phone-box:hover { background: var(--navy); }
.popup-phone-box:hover i,
.popup-phone-box:hover span { color: #fff; }

.popup-services { color: var(--text-muted); font-size: 0.85rem; text-align: center; margin-bottom: 1rem; }
.popup-live { color: var(--navy); font-size: 1rem; font-weight: 600; margin-bottom: 0.75rem; }

.popup-circle {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px rgba(26,35,50,.3);
    flex-shrink: 0;
}
.popup-circle i { color: #fff; font-size: 2rem; }

.popup-click-text { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 0.5rem; }
.popup-sub { font-size: 0.82rem; color: var(--text-muted); text-align: center; }

.popup-bar {
    background: var(--navy);
    padding: 1.25rem;
    text-align: center;
    flex-shrink: 0;
    cursor: pointer;
}
.popup-bar-label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; color: #fff; margin-bottom: 0.25rem; }
.popup-bar-number { font-size: 1.2rem; font-weight: 700; color: #fff; letter-spacing: 0.05em; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; text-align: left; }
    .hero-image { max-width: 360px; margin: 0 auto; }
    .service-cards { grid-template-columns: repeat(2, 1fr); }
    .why-call-grid { grid-template-columns: repeat(2, 1fr); }
    .why-choose-grid { grid-template-columns: 1fr; }
    .why-choose-right { max-width: 26rem; margin: 0 auto; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero, .how-we-help, .three-step, .why-choose, .airlines-section, .cta-section {
        padding: 4rem 1.25rem;
    }

    .header-phone-text { display: none; }
    .header-phone-btn { padding: 0.5rem; width: 2.5rem; height: 2.5rem; justify-content: center; }
    .header-phone-btn i { margin: 0; }

    .hero { padding-top: 6rem; }
    .hero h1 { font-size: 1.75rem; }
    .hero-trust { gap: 1rem; }

    .service-cards { grid-template-columns: 1fr; }
    .why-call-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; gap: 2rem; }
    .step-line { display: none !important; }
    .features-grid { grid-template-columns: 1fr; }

    .logos-grid { gap: 1.25rem 1.75rem; }
    .airline-logo-item img { height: 2rem; }

    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .trust-badges { flex-direction: column; align-items: center; gap: 0.75rem; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.5rem; }
    .hero-illustration { max-width: 280px; }
    .stats-card { padding: 2rem 1.25rem; }
    .stat-number { font-size: 2.5rem; }
    .popup-brand { font-size: 1.4rem; }
    .popup-phone-box span,
    .popup-phone-box i { font-size: 1.15rem; }
}