/* ============================================================
   SAC Arabia – Company Profile Flipbook  |  Premium Design
   ============================================================ */

:root {
    --primary:      #0A2A4A;
    --primary-dk:   #061928;
    --primary-lt:   #1a4a7a;
    --gold:         #D07517;
    --gold-lt:      #f0a030;
    --white:        #ffffff;
    --paper:        #fefcf8;
    --text:         #2c3a47;
    --text-muted:   #6b7b8d;
    --border:       rgba(10,42,74,.10);
    --shadow:       0 20px 60px rgba(0,0,0,.28);
    --h:            'Montserrat', sans-serif;
    --b:            'Open Sans', sans-serif;
}

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

html, body {
    width: 100%; height: 100%;
    font-family: var(--b);
    background: var(--primary-dk);
    overflow: hidden;
}

/* ── Animated background ── */
body::before {
    content: '';
    position: fixed; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse 60% 50% at 15% 20%, rgba(208,117,23,.18) 0%, transparent 60%),
        radial-gradient(ellipse 50% 45% at 85% 80%, rgba(26,74,122,.35) 0%, transparent 60%),
        linear-gradient(160deg, #061828 0%, #0a2a4a 50%, #061828 100%);
}

/* subtle grid overlay */
body::after {
    content: '';
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* ── Top bar ── */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 200;
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 28px;
    background: rgba(6,24,40,.72);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,.07);
}

.topbar-logo { height: 36px; filter: brightness(0) invert(1); opacity: .9; }

.back-btn {
    display: inline-flex; align-items: center; gap: 8px;
    color: #fff; text-decoration: none; font-weight: 700; font-size: .82rem;
    padding: 9px 20px;
    border: 1.5px solid rgba(255,255,255,.18);
    border-radius: 999px;
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(8px);
    transition: all .25s;
    letter-spacing: .5px;
}
.back-btn:hover {
    background: var(--gold); border-color: var(--gold);
    box-shadow: 0 8px 24px rgba(208,117,23,.38);
    transform: translateY(-1px);
}

/* ── Flipbook wrapper ── */
.stage {
    position: fixed; inset: 0; z-index: 1;
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    padding-top: 66px; padding-bottom: 70px;
}

#book {
    box-shadow: var(--shadow);
    border-radius: 3px;
    opacity: 0;
    transform: scale(3) translateY(50px);
}

/* ── Controls ── */
.controls {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
    display: flex; justify-content: center; align-items: center; gap: 14px;
    padding: 12px 20px;
    background: rgba(6,24,40,.72);
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255,255,255,.07);
}

.ctrl-btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 22px; border: none; border-radius: 999px; cursor: pointer;
    font-family: var(--b); font-size: .82rem; font-weight: 700; color: #fff;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-lt) 100%);
    box-shadow: 0 6px 20px rgba(208,117,23,.32);
    transition: all .22s;
}
.ctrl-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(208,117,23,.44); }
.ctrl-btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.page-counter {
    padding: 8px 18px; border-radius: 999px; color: #fff;
    font-size: .8rem; font-weight: 700;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.12);
    min-width: 120px; text-align: center;
}

/* ═══════════════════════════════════════════
   PAGE BASE
═══════════════════════════════════════════ */
.page {
    background: url('../img/profile.jpg?v=3') center/cover no-repeat;
    color: var(--text);
    overflow: hidden;
    position: relative;
}

/* subtle paper edge */
.page::after {
    content: '';
    position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(90deg, transparent 92%, rgba(0,0,0,.06) 100%);
}

/* Hard pages (cover/back) */
.page[data-density="hard"] {
    background:
        linear-gradient(160deg, rgba(6,24,40,.90) 0%, rgba(10,42,74,.85) 100%),
        url('../img/profile.jpg?v=3') center/cover no-repeat;
}

/* ── Page content wrapper ── */
.pc {
    position: relative; z-index: 2;
    height: 100%; display: flex; flex-direction: column;
    padding: 30px 28px;
}
.pc.center { justify-content: center; align-items: center; text-align: center; }

/* ── Page header strip ── */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}
.page-header .company-mark {
    font-family: var(--h); font-size: .6rem; font-weight: 800;
    letter-spacing: 2.5px; text-transform: uppercase; color: var(--gold);
    opacity: .7;
}
.page-header .pg-num {
    font-size: .6rem; font-weight: 600; color: var(--text-muted);
    letter-spacing: 1px;
}

/* ── Cover ── */
.cover-page {
    background:
        linear-gradient(155deg, rgba(6,24,40,.88) 0%, rgba(12,50,84,.78) 100%),
        url('../img/profile.jpg?v=3') center/cover no-repeat !important;
}

.cover-body {
    display: flex; flex-direction: column; justify-content: space-between;
    height: 100%; padding: 24px 26px;
}

.cover-top { display: flex; align-items: flex-start; justify-content: space-between; }

.cover-logo-wrap {
    background: rgba(255,255,255,.97);
    border-radius: 12px; padding: 10px 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,.22);
}
.cover-logo-wrap img { height: 38px; }

.cover-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px; border-radius: 999px;
    background: rgba(208,117,23,.15);
    border: 1px solid rgba(208,117,23,.30);
    color: var(--gold-lt); font-size: .65rem; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
}

.cover-mid {
    flex: 1; display: flex; flex-direction: column;
    justify-content: center; padding: 20px 0;
}

.cover-eyebrow {
    font-size: .62rem; font-weight: 700; letter-spacing: 3.5px;
    text-transform: uppercase; color: var(--gold); margin-bottom: 12px;
}

.cover-title {
    font-family: var(--h); font-size: 2.4rem; font-weight: 900;
    line-height: 1.08; letter-spacing: -1px;
    color: #fff; text-shadow: 0 4px 20px rgba(0,0,0,.3);
    margin-bottom: 16px;
}

.cover-divider {
    width: 56px; height: 4px; border-radius: 999px;
    background: linear-gradient(90deg, var(--gold), var(--gold-lt));
    margin-bottom: 16px;
}

.cover-desc {
    font-size: .88rem; line-height: 1.75;
    color: rgba(255,255,255,.78); max-width: 280px;
}

.cover-stats {
    display: grid; grid-template-columns: repeat(4,1fr); gap: 6px;
    margin-top: 20px;
}
.stat-box {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 12px; padding: 12px 8px; text-align: center;
    backdrop-filter: blur(6px);
}
.stat-box strong {
    display: block; font-family: var(--h); font-size: 1.1rem;
    color: var(--gold-lt); margin-bottom: 3px;
}
.stat-box span { font-size: .6rem; color: rgba(255,255,255,.62); letter-spacing: 1px; text-transform: uppercase; }

.cover-foot {
    display: flex; align-items: center; gap: 12px;
    color: rgba(255,255,255,.5); font-size: .62rem; letter-spacing: 2px; text-transform: uppercase;
}
.cover-foot .line { flex: 1; height: 1px; background: rgba(255,255,255,.18); }

/* corner decorations */
.cc { position: absolute; width: 48px; height: 48px; z-index: 3; pointer-events: none; }
.cc.tl { top: 16px; left: 16px; border-top: 2px solid rgba(208,117,23,.4); border-left: 2px solid rgba(208,117,23,.4); }
.cc.tr { top: 16px; right: 16px; border-top: 2px solid rgba(208,117,23,.4); border-right: 2px solid rgba(208,117,23,.4); }
.cc.bl { bottom: 16px; left: 16px; border-bottom: 2px solid rgba(208,117,23,.4); border-left: 2px solid rgba(208,117,23,.4); }
.cc.br { bottom: 16px; right: 16px; border-bottom: 2px solid rgba(208,117,23,.4); border-right: 2px solid rgba(208,117,23,.4); }

/* ── Chapter / category page ── */
.chapter-page {
    background:
        linear-gradient(155deg, rgba(6,24,40,.96) 0%, rgba(18,58,95,.96) 100%),
        url('../img/profile.jpg?v=3') center/cover no-repeat !important;
}

.chapter-body {
    height: 100%; display: flex; flex-direction: column;
    justify-content: center; align-items: center; text-align: center;
    gap: 0; padding: 28px;
    position: relative; z-index: 2;
}

.chapter-number {
    font-family: var(--h); font-size: 4rem; font-weight: 900;
    color: rgba(255,255,255,.06); line-height: 1;
    position: absolute; top: 20px; right: 24px;
    pointer-events: none; user-select: none;
}

.chapter-icon {
    font-size: 2.6rem; color: var(--gold-lt); margin-bottom: 18px;
    filter: drop-shadow(0 4px 14px rgba(208,117,23,.38));
}

.chapter-tag {
    font-size: .62rem; font-weight: 700; letter-spacing: 3px;
    text-transform: uppercase; color: var(--gold);
    background: rgba(208,117,23,.1);
    border: 1px solid rgba(208,117,23,.2);
    border-radius: 999px; padding: 5px 14px; margin-bottom: 16px;
}

.chapter-title {
    font-family: var(--h); font-size: 1.75rem; font-weight: 900;
    color: #fff; line-height: 1.2; letter-spacing: -.3px; margin-bottom: 12px;
}

.chapter-line {
    width: 52px; height: 4px; border-radius: 999px;
    background: linear-gradient(90deg, var(--gold), var(--gold-lt));
    margin: 0 auto 14px;
}

.chapter-sub {
    font-size: .8rem; color: rgba(255,255,255,.56);
    letter-spacing: 1px;
}

/* ── Service page ── */
.page-title {
    font-family: var(--h); font-size: 1.3rem; font-weight: 900;
    color: var(--primary); letter-spacing: -.3px; margin: 0 0 4px;
}

.page-underline {
    width: 40px; height: 3px; border-radius: 999px;
    background: linear-gradient(90deg, var(--gold), var(--gold-lt));
    margin-bottom: 14px;
}

.svc-img {
    width: 100%; height: 160px; object-fit: cover;
    border-radius: 12px;
    border: 1.5px solid rgba(208,117,23,.35);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    margin-bottom: 14px;
}

.svc-sub-title {
    font-family: var(--h); font-size: .88rem; font-weight: 700;
    color: var(--gold); margin: 0 0 8px;
}

.svc-desc {
    font-size: .8rem; line-height: 1.72; color: var(--text);
    margin: 0 0 10px;
}

.svc-list {
    padding-left: 0; list-style: none;
    display: flex; flex-direction: column; gap: 5px;
    margin: 0;
}

.svc-list li {
    display: flex; align-items: flex-start; gap: 8px;
    font-size: .78rem; line-height: 1.5; color: var(--text);
}

.svc-list li::before {
    content: '';
    flex-shrink: 0;
    margin-top: 6px;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--gold);
}

/* ── About page ── */
.about-kpi {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 8px;
    margin-top: 16px; padding-top: 0;
}
.kpi-box {
    background: linear-gradient(135deg, rgba(10,42,74,.06), rgba(10,42,74,.12));
    border: 1px solid var(--border); border-radius: 12px;
    padding: 12px 8px; text-align: center;
}
.kpi-box strong {
    display: block; font-family: var(--h); font-size: 1.08rem;
    color: var(--primary); margin-bottom: 3px;
}
.kpi-box span { font-size: .62rem; color: var(--text-muted); letter-spacing: .8px; text-transform: uppercase; }

/* ── Vision / Mission ── */
.vm-box {
    border-radius: 14px; padding: 14px 16px;
    border-left: 4px solid var(--gold);
    background: linear-gradient(135deg, rgba(10,42,74,.04), rgba(10,42,74,.09));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    position: relative; overflow: hidden;
}
.vm-box::after {
    content: '';
    position: absolute; right: -10px; top: -10px;
    width: 70px; height: 70px; border-radius: 50%;
    background: radial-gradient(circle, rgba(208,117,23,.1), transparent 70%);
}
.vm-box h3 {
    display: flex; align-items: center; gap: 8px;
    font-family: var(--h); font-size: .9rem; color: var(--primary); margin: 0 0 6px;
}
.vm-box h3 i { color: var(--gold); }
.vm-box p { font-size: .78rem; line-height: 1.7; color: var(--text); margin: 0; }

/* ── Back cover ── */
.back-cover-page {
    background:
        linear-gradient(155deg, rgba(6,24,40,.88) 0%, rgba(12,50,84,.85) 100%),
        url('../img/profile.jpg?v=3') center/cover no-repeat !important;
}

.bc-body {
    height: 100%; display: flex; flex-direction: column;
    justify-content: center; align-items: center; text-align: center;
    gap: 0; padding: 28px;
    position: relative; z-index: 2;
}

.bc-logo {
    background: rgba(255,255,255,.97); border-radius: 14px;
    padding: 12px 22px; margin-bottom: 28px;
    box-shadow: 0 12px 30px rgba(0,0,0,.22);
}
.bc-logo img { height: 40px; }

.bc-line { width: 56px; height: 4px; border-radius: 999px; background: linear-gradient(90deg, var(--gold), var(--gold-lt)); margin: 0 auto 24px; }

.bc-contacts { display: flex; flex-direction: column; gap: 14px; }
.bc-contact-item {
    display: flex; align-items: center; gap: 10px; justify-content: center;
    color: rgba(255,255,255,.82); font-size: .88rem;
}
.bc-contact-item i { color: var(--gold-lt); width: 18px; text-align: center; }

.bc-tagline {
    margin-top: 28px; font-size: .65rem; letter-spacing: 2.5px;
    text-transform: uppercase; color: rgba(255,255,255,.38);
}

/* ── Blank/separator ── */
.blank-page { background: var(--paper); }
.blank-page .pc { justify-content: flex-end; align-items: flex-end; }
.blank-page .watermark {
    font-family: var(--h); font-size: 4.5rem; font-weight: 900;
    color: rgba(10,42,74,.04); line-height: 1; letter-spacing: -2px;
    text-align: right; user-select: none;
}



/* ── Interactive Hover Effects ── */
.svc-list li {
    transition: transform 0.3s ease, color 0.3s ease;
    cursor: default;
}
.svc-list li:hover {
    transform: translateX(8px);
    color: var(--gold);
}
.svc-img {
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}
.page:hover .svc-img {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.stat-box {
    transition: transform 0.3s ease, background 0.3s ease;
}
.stat-box:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.15);
}
.chapter-icon i {
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.page:hover .chapter-icon i {
    transform: scale(1.2) rotate(5deg);
}


/* ── Interactive Ripple & Active Animations ── */
.ripple {
    position: absolute;
    width: 20px; height: 20px;
    background: rgba(255, 170, 0, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: rippleAnim 0.6s ease-out;
    pointer-events: none;
    z-index: 9999;
}
@keyframes rippleAnim {
    to { transform: translate(-50%, -50%) scale(15); opacity: 0; }
}

/* Staggered Entry Animations for active pages */
.active-page .page-title {
    animation: slideInDown 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.active-page .svc-img {
    animation: zoomInSoft 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.active-page .svc-list li {
    opacity: 0;
    animation: slideInRight 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.active-page .svc-list li:nth-child(1) { animation-delay: 0.1s; }
.active-page .svc-list li:nth-child(2) { animation-delay: 0.2s; }
.active-page .svc-list li:nth-child(3) { animation-delay: 0.3s; }
.active-page .svc-list li:nth-child(4) { animation-delay: 0.4s; }
.active-page .svc-list li:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes zoomInSoft {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}


/* ── Mobile Responsive Adjustments ── */
@media (max-width: 768px) {
    .cover-title { font-size: 3rem !important; }
    .page-title { font-size: 1.2rem !important; }
    .svc-desc { font-size: 0.8rem !important; margin-bottom: 10px !important; }
    .svc-list li { font-size: 0.75rem !important; padding-left: 14px !important; margin-bottom: 6px !important; }
    .svc-list li::before { font-size: 0.5rem !important; top: 4px !important; }
    
    .cover-body { padding: 16px !important; }
    .chapter-body { padding: 16px !important; }
    
    .controls { 
        bottom: 10px !important; 
        gap: 10px !important;
        padding: 8px 16px !important;
    }
    .ctrl-btn { padding: 6px 12px !important; font-size: 0.85rem !important; }
    
    /* Make entrance animation smaller so it fits mobile */
    
}

@media (max-width: 480px) {
    .cover-title { font-size: 2.2rem !important; line-height: 1 !important; }
    .cover-eyebrow { font-size: 0.75rem !important; }
    .cover-desc { font-size: 0.75rem !important; }
    .stat-box strong { font-size: 1.2rem !important; }
    .stat-box span { font-size: 0.6rem !important; }
    
    .page-num { font-size: 0.7rem !important; }
    .page-num.left { left: 10px !important; bottom: 10px !important; }
    .page-num.right { right: 10px !important; bottom: 10px !important; }
}


@media (max-width: 768px) {
    .stage { padding: 0 !important; width: 100vw !important; height: 100vh !important; display: flex; align-items: center; justify-content: center; }
    #book { width: 100vw !important; height: 85vh !important; }
}