/* ============================================================
   ECO HOTEL — Premium Light Professional Theme
   Full redesign: bright, clean, modern, professional
   ============================================================ */

/* ── DESIGN TOKENS ── */
:root {
    /* Background */
    --bg-deepest: #ffffff;
    --bg-deep: #f8fafc;
    --bg-dark: #f1f5f9;
    --bg-card: rgba(255,255,255,1);
    --bg-glass: rgba(255,255,255,.85);
    --bg-glass-hover: rgba(255,255,255,.95);

    /* Brand */
    --primary: #14b8a6;
    --primary-dark: #0d9488;
    --primary-light: #0f766e;
    --primary-glow: rgba(20,184,166,.2);
    --accent: #f59e0b;
    --accent-glow: rgba(245,158,11,.15);
    --musen-red: #e60012;

    /* Text */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-dim: rgba(0,0,0,.4);

    /* Glass / Borders */
    --glass-border: rgba(0,0,0,.08);
    --glass-border-hover: rgba(0,0,0,.15);
    --glass-blur: blur(20px);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,.12);

    /* Spacing */
    --section-pad: max(5vw, calc((100% - 1536px)/2));
    --radius: 20px;
    --radius-sm: 14px;
    --radius-xs: 10px;

    /* Transitions */
    --ease-out: cubic-bezier(.16,1,.3,1);
    --ease-spring: cubic-bezier(.34,1.56,.64,1);
}

/* ── RESET ── */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family:'Inter','Segoe UI',system-ui,sans-serif;
    line-height:1.6; color:var(--text-primary);
    background:var(--bg-deepest);
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
button { font-family:inherit; cursor:pointer; }

/* ── SCROLL REVEAL ── */
.reveal-up { opacity:0; transform:translateY(40px); transition:opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal-left { opacity:0; transform:translateX(-40px); transition:opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal-right { opacity:0; transform:translateX(40px); transition:opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal-scale { opacity:0; transform:scale(.9); transition:opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.revealed { opacity:1 !important; transform:translate(0) scale(1) !important; }

/* Stagger delays */
.stagger-1 { transition-delay:.05s; } .stagger-2 { transition-delay:.1s; }
.stagger-3 { transition-delay:.15s; } .stagger-4 { transition-delay:.2s; }
.stagger-5 { transition-delay:.25s; } .stagger-6 { transition-delay:.3s; }
.stagger-7 { transition-delay:.35s; } .stagger-8 { transition-delay:.4s; }
.stagger-9 { transition-delay:.45s; }

/* ══════════════════════════════════════════════════════════════
   TOP BAR
   ══════════════════════════════════════════════════════════════ */
.top-bar {
    background:linear-gradient(135deg,#fef2f2,#fff1f2);
    border-bottom:1px solid rgba(229,57,53,.1);
    padding:8px var(--section-pad);
    display:flex; justify-content:space-between; align-items:center;
    font-size:12px; color:var(--text-secondary);
}
.contact-info { display:flex; gap:20px; }
.contact-info a { color:var(--text-secondary); transition:color .3s; }
.contact-info a:hover { color:var(--musen-red); }
.contact-info i { margin-right:5px; }
.top-bar-brand { color:var(--musen-red); font-weight:700; letter-spacing:.5px; }
.top-bar-brand i { margin-right:5px; }

/* ══════════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════════ */
header {
    position:sticky; top:0; z-index:2000;
    background:#fff;
    transition:background .4s, box-shadow .4s;
}
.navbar {
    display:flex; justify-content:space-between; align-items:center;
    padding:0 var(--section-pad); height:70px;
    transition:height .3s; position:relative;
}
header.scrolled {
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    box-shadow:var(--shadow-md);
}
header.scrolled .navbar { height:60px; }

/* Logo */
.logo {
    display:flex; align-items:center; gap:12px;
    font-weight:900; height:100%;
}
.logo-img { height:36px; width:36px; object-fit:contain; }
header.scrolled .logo-img { height:30px; width:30px; }
.logo-brand { font-family:'Montserrat',sans-serif; font-weight:900; font-size:22px; letter-spacing:-0.5px; white-space:nowrap; }
.logo-brand .musen { color:var(--musen-red); font-weight:900; }
.logo-brand .plus { color:var(--musen-red); font-weight:900; }
.logo-sep { color:#cbd5e1; margin:0 6px; font-weight:400; font-size:20px; }
.logo-brand .eco { color:var(--primary); font-weight:900; }
.logo-brand .hotel { color:var(--text-primary); font-weight:900; }

/* Nav links */
.nav-links { list-style:none; display:flex; align-items:center; gap:8px; height:100%; }
.nav-links>li { height:100%; display:flex; align-items:center; }
.nav-links>li.dropdown { position:static; gap:4px; cursor:pointer; }
.nav-links>li.mega-dropdown { position:static; }
.nav-links a {
    color:var(--text-secondary); font-weight:500; font-size:14px;
    padding:8px 16px; border-radius:var(--radius-xs);
    transition:all .3s; position:relative;
}
.nav-links a:hover { color:var(--text-primary); background:rgba(0,0,0,.03); }
.nav-links>li>a::after {
    content:''; position:absolute; bottom:4px; left:50%; width:0; height:2px;
    background:var(--primary); transform:translateX(-50%); transition:width .3s var(--ease-out);
}
.nav-links>li:hover>a::after { width:60%; }

/* ══════ MEGA MENU DROPDOWN (Light Professional) ══════ */
.nav-arrow { font-size:10px; color:#94a3b8; transition:.3s; }
.dropdown:hover .nav-arrow { transform:rotate(180deg); color:var(--primary); }
.dropdown-menu.mega-menu {
    display:none; position:absolute; top:100%; 
    left:50%; width:94vw; max-width:880px; 
    /* Center using dynamic transform so it scales safely on <900px screens */
    transform:translateX(-50%) translateY(15px);
    background:#fff;
    box-shadow:0 20px 60px rgba(0,0,0,.15); border-radius:16px;
    padding:28px 32px; opacity:0; visibility:hidden;
    transition:all .3s cubic-bezier(.165,.84,.44,1);
    z-index:3000; border:1px solid #e2e8f0; border-top:4px solid var(--primary);
}
.dropdown-menu.mega-menu::before {
    /* Bridge gap for hover */
    content:''; position:absolute; top:-20px; left:0; right:0; height:20px; background:transparent;
}
.dropdown:hover>.dropdown-menu { display:block; opacity:1; visibility:visible; transform:translateX(-50%) translateY(5px); }
.mega-menu-content { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(260px, 280px); gap:20px; }
.mega-column { display:flex; flex-direction:column; gap:4px; animation:megaSlideUp .4s ease backwards; }
.mega-column:nth-child(1) { animation-delay:.08s; }
.mega-column:nth-child(2) { animation-delay:.16s; }
.mega-column:nth-child(3) { animation-delay:.24s; }
@keyframes megaSlideUp { from{opacity:0;transform:translateY(15px)} to{opacity:1;transform:translateY(0)} }
.mega-title {
    font-size:12px; text-transform:uppercase; color:var(--text-secondary); font-weight:800;
    letter-spacing:1.5px; margin-bottom:16px; padding-left:12px;
    border-left:3px solid var(--primary); line-height:1; display:flex; align-items:center; gap:8px;
}
.mega-title i { font-size:14px; color:var(--primary); }
.mega-column a {
    display:flex !important; align-items:center !important; gap:12px;
    padding:10px 12px !important; border-radius:10px;
    transition:all .25s ease !important; border:1px solid transparent;
    color:var(--text-secondary) !important; text-decoration:none;
}
.mega-column a:hover {
    background:#f0fdfa !important; transform:translateX(6px) !important;
    border-color:rgba(20,184,166,.15) !important; color:var(--text-primary) !important;
}
.mega-column a:hover::after { display:none !important; }
.mega-column a>i {
    font-size:16px; color:var(--primary); background:#f0fdfa;
    width:38px; height:38px; display:flex; align-items:center; justify-content:center;
    border-radius:10px; flex-shrink:0; transition:.3s;
}
.mega-column a:hover>i { background:var(--primary); color:#fff; transform:rotate(360deg); }
.mega-column a div span { display:block; font-weight:600; font-size:14px; color:var(--text-primary); margin-bottom:1px; }
.mega-column a:hover div span { color:var(--primary); }
.mega-column a div p { margin:0; font-size:12px; color:var(--text-secondary); line-height:1.3; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:200px; }
/* Badges */
.item-badge { font-size:10px; padding:2px 7px; border-radius:5px; font-weight:900; margin-left:auto; text-transform:uppercase; letter-spacing:.3px; }
.item-badge.hot { background:var(--musen-red); color:#fff; }
.item-badge.new { background:#10b981; color:#fff; }
/* Promo box */
.promo-column { border-left:1px solid #e2e8f0; padding-left:24px; }
.promo-box {
    background:linear-gradient(135deg,#f0fdfa,#ecfdf5);
    padding:24px; border-radius:14px; text-align:center; border:1px solid rgba(20,184,166,.15);
}
.promo-box h4 { margin:0 0 10px; font-size:18px; color:var(--text-primary); }
.promo-box p { font-size:13px; color:var(--text-secondary); margin-bottom:16px; line-height:1.5; }
.mega-column a.btn-promo {
    display:inline-block !important; padding:10px 24px !important;
    background:linear-gradient(135deg, var(--accent), #f97316) !important; 
    color:#fff !important; text-decoration:none !important;
    border-radius:30px !important; font-weight:700 !important; font-size:14px !important; transition:all .3s !important;
    border:none !important; box-shadow:0 4px 15px rgba(245,158,11,.3) !important;
}
.mega-column a.btn-promo:hover { 
    transform:translateY(-2px) scale(1.02) !important; 
    filter:brightness(1.1) !important; 
    color:#fff !important; 
    box-shadow:0 6px 20px rgba(245,158,11,.5) !important;
}

/* CTA button in nav */
.btn-login {
    background:linear-gradient(135deg,var(--primary),var(--primary-dark)) !important;
    color:#fff !important; padding:10px 24px !important;
    border-radius:50px !important; font-weight:700 !important;
    display:flex !important; align-items:center; gap:8px;
    transition:all .3s !important; border:none; box-shadow:0 4px 15px var(--primary-glow);
}
.btn-login:hover { transform:translateY(-2px) !important; box-shadow:0 8px 25px var(--primary-glow) !important; }
.btn-login::after { display:none !important; }

/* Mobile toggle */
.menu-toggle { display:none; background:none; border:none; font-size:24px; color:var(--text-primary); cursor:pointer; padding:8px; }

/* ══════════════════════════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════════════════════════ */
.s-hero {
    position:relative; overflow:hidden;
    padding:80px var(--section-pad) 60px;
    min-height:88vh; display:flex; align-items:center;
    background:linear-gradient(160deg, #f0fdfa 0%, #ecfdf5 30%, #f8fafc 70%, #fff 100%);
}

/* Particle canvas — subtle on light */
#particleCanvas {
    position:absolute; inset:0; z-index:0;
    pointer-events:none; opacity:.3;
}

/* Animated glow orbs — softer on light */
.hero-orb {
    position:absolute; border-radius:50%; filter:blur(120px); opacity:.06;
    animation:orbFloat 15s ease-in-out infinite alternate;
}
.hero-orb.o1 { width:600px; height:600px; background:var(--primary); top:-15%; left:-10%; }
.hero-orb.o2 { width:450px; height:450px; background:var(--accent); bottom:-20%; right:-10%; animation-delay:3s; animation-direction:alternate-reverse; }
.hero-orb.o3 { width:350px; height:350px; background:#6366f1; top:40%; left:55%; animation-delay:6s; }
@keyframes orbFloat {
    0% { transform:translate(0,0) scale(1); }
    33% { transform:translate(30px,-40px) scale(1.05); }
    66% { transform:translate(-20px,30px) scale(.95); }
    100% { transform:translate(40px,-20px) scale(1.02); }
}

.s-hero-split {
    position:relative; z-index:1;
    display:flex; flex-direction:column; align-items:center; gap:60px; width:100%;
    text-align:center;
}

/* Hero text */
.s-hero-text { flex:1; max-width:800px; display:flex; flex-direction:column; align-items:center; }
.hero-badge {
    display:inline-flex; align-items:center; gap:8px;
    padding:8px 20px; border-radius:50px;
    background:rgba(20,184,166,.08); border:1px solid rgba(20,184,166,.2);
    font-size:13px; font-weight:600; color:var(--primary);
    margin-bottom:28px;
    animation:badgePulse 3s ease-in-out infinite;
}
@keyframes badgePulse {
    0%,100% { box-shadow:0 0 0 0 rgba(20,184,166,.15); }
    50% { box-shadow:0 0 0 8px rgba(20,184,166,0); }
}
.hero-badge i { font-size:10px; }

.s-hero-text h1 {
    font-family:'Space Grotesk','Inter',sans-serif;
    font-size:clamp(2.2rem,5vw,3.6rem); font-weight:800;
    line-height:1.1; margin-bottom:24px;
    color:var(--text-primary);
}
.hero-line { display:block; overflow:hidden; }
.hero-line span {
    display:inline-block;
    opacity:0; transform:translateY(100%);
    animation:lineReveal .8s var(--ease-out) forwards;
}
.hero-line:nth-child(2) span { animation-delay:.15s; }
.hero-line:nth-child(3) span { animation-delay:.3s; }
@keyframes lineReveal { to { opacity:1; transform:translateY(0); } }

.gradient-text {
    background:linear-gradient(135deg,var(--primary),#0891b2,var(--accent),var(--primary));
    background-size:300% auto;
    -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
    animation:gradientShift 6s ease infinite;
}
@keyframes gradientShift { 0%{background-position:0%} 50%{background-position:100%} 100%{background-position:0%} }

.hero-desc {
    font-size:1.05rem; color:var(--text-secondary); max-width:620px;
    line-height:1.7; margin-bottom:36px;
    opacity:0; animation:fadeUp .8s var(--ease-out) .5s forwards;
}
@keyframes fadeUp { to{opacity:1;transform:translateY(0)} from{transform:translateY(15px)} }

/* Hero actions */
.hero-actions {
    display:flex; gap:16px; flex-wrap:wrap; margin-bottom:48px; justify-content:center;
    opacity:0; animation:fadeUp .8s var(--ease-out) .65s forwards;
}
.btn-primary {
    display:inline-flex; align-items:center; gap:10px;
    padding:15px 32px; border-radius:var(--radius-sm);
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff; font-weight:700; font-size:.95rem;
    transition:all .3s; position:relative; overflow:hidden;
    box-shadow:0 4px 20px var(--primary-glow);
}
.btn-primary::before {
    content:''; position:absolute; inset:0;
    background:linear-gradient(135deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);
    transform:translateX(-100%); transition:transform .6s;
}
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 8px 30px var(--primary-glow); }
.btn-primary:hover::before { transform:translateX(100%); }

.btn-ghost {
    display:inline-flex; align-items:center; gap:10px;
    padding:15px 32px; border-radius:var(--radius-sm);
    border:1.5px solid #cbd5e1; color:var(--text-primary);
    font-weight:600; font-size:.95rem; transition:all .3s;
}
.btn-ghost:hover { background:rgba(0,0,0,.03); border-color:var(--primary); color:var(--primary); }

/* Hero metrics */
.hero-metrics {
    display:flex; align-items:center; gap:28px; justify-content:center;
    opacity:0; animation:fadeUp .8s var(--ease-out) .8s forwards;
}
.h-metric { text-align:center; }
.h-metric-val { font-family:'Space Grotesk',sans-serif; font-size:2.2rem; font-weight:800; color:var(--text-primary); }
.h-metric-unit { font-size:1.1rem; font-weight:700; color:var(--primary); }
.h-metric-label { display:block; font-size:.75rem; color:var(--text-secondary); margin-top:4px; letter-spacing:.5px; }
.h-metric-sep { width:1px; height:44px; background:#e2e8f0; }

/* Room mockup — Horizontal List */
.hero-mockup {
    width:100%; display:flex; flex-direction:row; justify-content:center; gap:20px;
    padding:10px 0 20px; overflow-x:auto; scroll-snap-type:x mandatory;
    scrollbar-width:none;
}
.hero-mockup::-webkit-scrollbar { display:none; }
.room-card-mock {
    flex:1 0 280px; min-width: 250px; background:#fff; border:1px solid #e2e8f0;
    border-radius:var(--radius); padding:22px; text-align:left;
    box-shadow:var(--shadow-md); scroll-snap-align:center;
    opacity:0; animation:cardReveal .7s var(--ease-out) forwards;
    transition:transform .3s, box-shadow .3s;
}
.room-card-mock:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:var(--primary); }
.room-card-mock:nth-child(1) { animation-delay:.9s; }
.room-card-mock:nth-child(2) { animation-delay:1.1s; }
.room-card-mock:nth-child(3) { animation-delay:1.3s; }
.room-card-mock:nth-child(4) { animation-delay:1.5s; }
.room-card-mock:nth-child(5) { animation-delay:1.7s; }
@keyframes cardReveal { from{opacity:0;transform:translateY(20px) scale(.97)} to{opacity:1;transform:translateY(0) scale(1)} }

.room-mock-header { color:var(--text-primary); font-weight:700; font-size:1rem; margin-bottom:12px; display:flex; align-items:center; }
.room-mock-header i { margin-right:8px; color:var(--primary); font-size:1.1rem; }
.rm-type { margin-left:auto; font-size:11px; font-weight:800; text-transform:uppercase; color:var(--text-secondary); background:#f1f5f9; padding:3px 8px; border-radius:6px; }

.room-mock-status {
    display:inline-flex; align-items:center; gap:6px;
    padding:5px 14px; border-radius:20px; font-size:.75rem; font-weight:700; margin-bottom:14px;
}
.room-mock-status.occupied { background:#fef2f2; color:#dc2626; border:1px solid #fecaca; }
.room-mock-status.available { background:#f0fdf4; color:#16a34a; border:1px solid #bbf7d0; }
.room-mock-status.cleaning { background:#fffbeb; color:#d97706; border:1px solid #fde68a; }
.room-mock-status.booked { background:#eff6ff; color:#2563eb; border:1px solid #bfdbfe; }
.room-mock-status.maintenance { background:#faf5ff; color:#7c3aed; border:1px solid #ddd6fe; }

.room-mock-sensors { display:flex; gap:18px; margin-bottom:16px; border-bottom:1px solid #f1f5f9; padding-bottom:16px; }
.rm-sensor { color:var(--text-secondary); font-size:.82rem; font-weight:600; }
.rm-sensor i { margin-right:4px; }

.room-mock-devices { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
.rm-device {
    background:#f8fafc; border:1px solid #e2e8f0;
    border-radius:var(--radius-xs); padding:10px 4px; text-align:center;
    color:var(--text-secondary); font-size:.7rem; font-weight:600;
    transition:all .3s;
}
.rm-device i { display:block; font-size:1.1rem; margin-bottom:4px; }
.rm-device.active { background:#f0fdfa; border-color:rgba(20,184,166,.3); color:var(--primary); }

.room-mock-guest { display:flex; align-items:center; gap:8px; margin-bottom:14px; font-size:.78rem; color:var(--text-secondary); font-weight:500; }
.room-mock-guest i { color:var(--primary); }
.room-mock-price { font-size:.82rem; font-weight:700; color:var(--primary); margin-bottom:14px; }

/* ══════════════════════════════════════════════════════════════
   SECTION HEADERS
   ══════════════════════════════════════════════════════════════ */
.section-header { text-align:center; margin-bottom:64px; }
.section-tag {
    display:inline-flex; align-items:center; gap:6px;
    padding:6px 18px; border-radius:50px;
    background:rgba(20,184,166,.08); border:1px solid rgba(20,184,166,.15);
    color:var(--primary); font-size:.78rem; font-weight:700;
    text-transform:uppercase; letter-spacing:1.5px; margin-bottom:18px;
}
.section-header h2 {
    font-family:'Space Grotesk','Inter',sans-serif;
    font-size:clamp(1.8rem,4vw,2.8rem); font-weight:800; margin-bottom:14px;
    color:var(--text-primary);
}
.section-header p { font-size:1.05rem; color:var(--text-secondary); max-width:600px; margin:0 auto; }

/* ══════════════════════════════════════════════════════════════
   FEATURES
   ══════════════════════════════════════════════════════════════ */
.s-features { padding:100px var(--section-pad); background:var(--bg-deep); position:relative; }
.s-features::before {
    content:''; position:absolute; top:0; left:0; right:0; height:1px;
    background:linear-gradient(90deg,transparent,rgba(20,184,166,.2),transparent);
}
.features-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.feat-card {
    background:#fff; border:1px solid #e2e8f0;
    border-radius:var(--radius); padding:32px 26px;
    transition:all .4s var(--ease-out); position:relative; overflow:hidden;
    box-shadow:var(--shadow-sm);
}
.feat-card::before {
    content:''; position:absolute; inset:-1px; border-radius:var(--radius);
    background:conic-gradient(from 0deg,transparent,var(--primary),transparent,transparent);
    opacity:0; transition:opacity .4s; z-index:-1;
}
.feat-card:hover::before { opacity:1; animation:borderSpin 3s linear infinite; }
@keyframes borderSpin { to{transform:rotate(360deg)} }
.feat-card:hover {
    transform:translateY(-6px);
    box-shadow:var(--shadow-lg);
    border-color:var(--primary);
    background:#fff;
}
.feat-icon {
    width:52px; height:52px; border-radius:var(--radius-sm);
    display:flex; align-items:center; justify-content:center;
    font-size:1.3rem; margin-bottom:18px;
    background:#f0fdfa; color:var(--primary);
    transition:all .3s;
}
.feat-card:hover .feat-icon { background:var(--primary); color:#fff; transform:scale(1.05); }
.feat-card h4 { font-size:1.05rem; font-weight:700; margin-bottom:8px; color:var(--text-primary); }
.feat-card p { font-size:.85rem; color:var(--text-secondary); line-height:1.65; }

/* ══════════════════════════════════════════════════════════════
   SOLUTIONS (4 Modules)
   ══════════════════════════════════════════════════════════════ */
.s-solutions { padding:100px var(--section-pad); background:var(--bg-deepest); }
.solutions-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.sol-card {
    background:#fff; border:1px solid #e2e8f0;
    border-radius:var(--radius); padding:32px 24px;
    transition:all .4s var(--ease-out); position:relative; overflow:hidden;
    box-shadow:var(--shadow-sm);
}
.sol-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:#cbd5e1; }
.sol-card.featured { border-color:rgba(20,184,166,.3); }
.sol-card.featured::after {
    content:''; position:absolute; inset:0; border-radius:var(--radius);
    background:linear-gradient(180deg,rgba(20,184,166,.04),rgba(20,184,166,.01));
    pointer-events:none;
}
.sol-badge {
    position:absolute; top:14px; right:14px;
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff; padding:4px 12px; border-radius:20px;
    font-size:.68rem; font-weight:700; letter-spacing:.5px;
}
.sol-icon {
    width:52px; height:52px; border-radius:var(--radius-sm);
    display:flex; align-items:center; justify-content:center;
    font-size:1.4rem; margin-bottom:18px; color:#fff;
}
.sol-icon.blue { background:linear-gradient(135deg,#3b82f6,#1d4ed8); }
.sol-icon.green { background:linear-gradient(135deg,var(--primary),var(--primary-dark)); }
.sol-icon.orange { background:linear-gradient(135deg,#f59e0b,#d97706); }
.sol-icon.purple { background:linear-gradient(135deg,#8b5cf6,#6d28d9); }
.sol-content h3 { font-size:1.15rem; font-weight:800; margin-bottom:8px; color:var(--text-primary); }
.sol-content p { font-size:.82rem; color:var(--text-secondary); margin-bottom:14px; line-height:1.6; }
.sol-content ul { list-style:none; }
.sol-content li { font-size:.8rem; color:var(--text-secondary); margin-bottom:6px; display:flex; align-items:center; gap:8px; }
.sol-content li i { color:var(--primary); font-size:.65rem; }

/* ══════════════════════════════════════════════════════════════
   HOW IT WORKS — Timeline
   ══════════════════════════════════════════════════════════════ */
.s-how {
    padding:100px var(--section-pad);
    background:linear-gradient(180deg,var(--bg-deep),var(--bg-deepest));
    position:relative;
}
.steps-row { display:flex; align-items:flex-start; justify-content:center; gap:0; flex-wrap:wrap; }
.step-item { text-align:center; flex:0 0 220px; }
.step-num { font-family:'Space Grotesk',sans-serif; font-size:.72rem; font-weight:800; color:var(--primary); margin-bottom:12px; letter-spacing:2px; }
.step-icon {
    width:72px; height:72px; border-radius:18px; margin:0 auto 16px;
    display:flex; align-items:center; justify-content:center; font-size:1.5rem;
    background:#f0fdfa; color:var(--primary);
    border:1px solid rgba(20,184,166,.15); transition:all .3s;
}
.step-item:hover .step-icon { background:var(--primary); color:#fff; transform:scale(1.08); box-shadow:0 8px 25px var(--primary-glow); }
.step-item h3 { color:var(--text-primary); font-size:.95rem; font-weight:700; margin-bottom:8px; }
.step-item p { color:var(--text-secondary); font-size:.8rem; line-height:1.5; }
.step-connector {
    flex:0 0 60px; display:flex; align-items:center; justify-content:center;
    padding-top:44px; color:#cbd5e1;
}
.connector-line { width:30px; height:1px; background:#e2e8f0; margin-right:4px; }

/* ══════════════════════════════════════════════════════════════
   STATS
   ══════════════════════════════════════════════════════════════ */
.s-stats {
    padding:72px var(--section-pad);
    background:linear-gradient(135deg,var(--primary-dark),var(--primary),#0f766e);
    position:relative; overflow:hidden; color:#fff;
}
.s-stats::before {
    content:''; position:absolute; inset:0;
    background:url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,0.08)'/%3E%3C/svg%3E");
    pointer-events:none;
}
.stats-grid { display:flex; justify-content:center; gap:64px; flex-wrap:wrap; position:relative; }
.stat-item { text-align:center; }
.stat-item .stat-icon { font-size:1.6rem; margin-bottom:10px; opacity:.8; }
.stat-item .stat-num { font-family:'Space Grotesk',sans-serif; font-size:3rem; font-weight:900; }
.stat-item .stat-label { font-size:.82rem; opacity:.7; margin-top:4px; }

/* ══════════════════════════════════════════════════════════════
   CTA
   ══════════════════════════════════════════════════════════════ */
.s-cta {
    position:relative; padding:100px var(--section-pad);
    background:var(--bg-deep); overflow:hidden;
}
.cta-orb { position:absolute; border-radius:50%; filter:blur(130px); opacity:.05; }
.cta-orb.co1 { width:500px; height:500px; background:var(--primary); top:-25%; left:5%; }
.cta-orb.co2 { width:400px; height:400px; background:var(--accent); bottom:-20%; right:10%; }
.cta-content { position:relative; text-align:center; z-index:1; }
.cta-icon { font-size:3rem; color:var(--primary); margin-bottom:20px; animation:float 4s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.cta-content h2 { font-family:'Space Grotesk',sans-serif; font-size:clamp(1.6rem,3.5vw,2.4rem); font-weight:800; margin-bottom:16px; color:var(--text-primary); }
.cta-content > p { color:var(--text-secondary); font-size:1.02rem; max-width:600px; margin:0 auto 36px; }
.cta-actions { display:flex; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom:36px; }
.btn-cta-primary {
    display:inline-flex; align-items:center; gap:10px;
    padding:16px 40px; border-radius:var(--radius-sm);
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff; font-weight:700; font-size:1rem;
    transition:all .3s; position:relative;
    box-shadow:0 6px 25px var(--primary-glow);
}
.btn-cta-primary:hover { transform:translateY(-3px); box-shadow:0 10px 35px var(--primary-glow); }
.btn-cta-outline {
    display:inline-flex; align-items:center; gap:10px;
    padding:16px 40px; border-radius:var(--radius-sm);
    border:1.5px solid #cbd5e1; color:var(--text-primary);
    font-weight:600; transition:all .3s;
}
.btn-cta-outline:hover { background:rgba(0,0,0,.03); border-color:var(--primary); color:var(--primary); }
.cta-trust { display:flex; justify-content:center; gap:36px; flex-wrap:wrap; }
.cta-trust-item { display:flex; align-items:center; gap:6px; color:var(--text-secondary); font-size:.82rem; }
.cta-trust-item i { color:var(--primary); }

/* ══════════════════════════════════════════════════════════════
   FOOTER — Keep dark for contrast
   ══════════════════════════════════════════════════════════════ */
footer {
    background:#0f172a; border-top:1px solid rgba(255,255,255,.08);
    text-align:center; padding:44px var(--section-pad); font-size:13px; color:#94a3b8;
}
footer p { margin:8px 0; }
.footer-brand { font-size:15px; font-weight:700; margin-bottom:14px !important; color:#f1f5f9; }
.footer-brand .eco-text { color:var(--primary); }
.footer-brand .musen-text { color:var(--musen-red); }
footer a { color:var(--primary); transition:color .3s; }
footer a:hover { color:#2dd4bf; }

/* ══════════════════════════════════════════════════════════════
   LOGIN MODAL
   ══════════════════════════════════════════════════════════════ */
.modal-overlay {
    display:none; position:fixed; inset:0; z-index:5000;
    background:rgba(0,0,0,.4); backdrop-filter:blur(12px);
    align-items:center; justify-content:center;
}
.modal-overlay.show { display:flex; }
.login-card {
    background:#fff; border:1px solid #e2e8f0;
    border-radius:24px; padding:44px 36px 36px;
    width:100%; max-width:420px; margin:20px;
    position:relative; box-shadow:var(--shadow-xl);
    animation:modalIn .45s var(--ease-out) both;
}
@keyframes modalIn { from{opacity:0;transform:translateY(20px) scale(.96)} to{opacity:1;transform:translateY(0) scale(1)} }

.close-modal {
    position:absolute; top:16px; right:20px;
    background:none; border:none; font-size:1.4rem; color:var(--text-secondary);
    cursor:pointer; transition:.3s; width:32px; height:32px;
    display:flex; align-items:center; justify-content:center; border-radius:8px;
}
.close-modal:hover { color:#ef4444; background:rgba(239,68,68,.08); }

.login-logo { text-align:center; margin-bottom:28px; }
.login-logo-img { width:48px; height:48px; margin:0 auto 12px; }
.login-logo h1 { font-family:'Space Grotesk',sans-serif; font-size:1.3rem; font-weight:800; color:var(--text-primary); }
.login-logo h1 .eco-l { color:var(--primary); }
.login-logo h1 .hotel-l { color:var(--text-primary); }
.login-logo p { color:var(--text-secondary); font-size:.82rem; margin-top:4px; }

.form { display:flex; flex-direction:column; gap:18px; }
.field label { display:block; color:var(--text-secondary); font-size:.75rem; font-weight:600; margin-bottom:8px; text-transform:uppercase; letter-spacing:.5px; }
.input-box { position:relative; display:flex; align-items:center; }
.input-box i.icon { position:absolute; left:16px; color:var(--text-secondary); font-size:.85rem; transition:.3s; }
.input-box input {
    width:100%; padding:13px 48px 13px 44px;
    background:#f8fafc; border:1.5px solid #e2e8f0;
    border-radius:var(--radius-sm); color:var(--text-primary); font-size:.9rem;
    font-family:'Inter',sans-serif; outline:none; transition:all .3s;
}
.input-box input::placeholder { color:#94a3b8; }
.input-box input:focus { border-color:var(--primary); background:#f0fdfa; box-shadow:0 0 0 3px rgba(20,184,166,.08); }
.input-box:has(input:focus) i.icon { color:var(--primary); }
.toggle-pw { position:absolute; right:14px; background:none; border:none; color:var(--text-secondary); cursor:pointer; font-size:.85rem; padding:4px; }
.form-options { display:flex; justify-content:space-between; align-items:center; }
.remember { display:flex; align-items:center; gap:8px; cursor:pointer; }
.remember input[type="checkbox"] { width:16px; height:16px; accent-color:var(--primary); cursor:pointer; }
.remember span { color:var(--text-secondary); font-size:.78rem; }
.btn-submit {
    width:100%; padding:14px;
    background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff;
    border:none; border-radius:var(--radius-sm); font-size:.95rem; font-weight:700;
    font-family:'Inter',sans-serif; transition:all .3s;
    display:flex; align-items:center; justify-content:center; gap:10px;
    position:relative; overflow:hidden; box-shadow:0 4px 15px var(--primary-glow);
}
.btn-submit::before {
    content:''; position:absolute; inset:0;
    background:linear-gradient(135deg,transparent,rgba(255,255,255,.15),transparent);
    transform:translateX(-100%); transition:transform .6s;
}
.btn-submit:hover { transform:translateY(-2px); box-shadow:0 8px 25px var(--primary-glow); }
.btn-submit:hover::before { transform:translateX(100%); }
.btn-submit.loading { pointer-events:none; opacity:.7; }
.btn-submit.loading .btn-text { display:none; }
.btn-submit.loading .spinner { display:block; }
.spinner { display:none; width:20px; height:20px; border:3px solid rgba(255,255,255,.3); border-top-color:#fff; border-radius:50%; animation:spin .7s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

.msg { display:none; border-radius:var(--radius-sm); padding:12px 16px; font-size:.82rem; text-align:center; align-items:center; justify-content:center; gap:8px; margin-bottom:14px; }
.msg.show { display:flex; }
.msg.error { background:#fef2f2; border:1px solid #fecaca; color:#dc2626; animation:shake .4s ease; }
@keyframes shake { 0%,100%{transform:translateX(0)} 20%,60%{transform:translateX(-4px)} 40%,80%{transform:translateX(4px)} }

.login-footer { text-align:center; margin-top:20px; padding-top:16px; border-top:1px solid #e2e8f0; }
.status { display:flex; align-items:center; justify-content:center; gap:6px; }
.status-dot { width:6px; height:6px; border-radius:50%; background:#22c55e; animation:blink 2s ease-in-out infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.status span { color:var(--text-secondary); font-size:.68rem; }

/* ══════════════════════════════════════════════════════════════
   CONTACT WIDGET
   ══════════════════════════════════════════════════════════════ */
.contact-widget { position:fixed; bottom:20px; right:20px; z-index:3000; display:flex; flex-direction:column; gap:10px; }
.widget-btn {
    width:48px; height:48px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    color:#fff; font-size:1.1rem; transition:all .3s var(--ease-spring);
    box-shadow:0 4px 15px rgba(0,0,0,.15);
}
.widget-btn.zalo { background:linear-gradient(135deg,#0068ff,#0050cc); }
.widget-btn.hotline { background:linear-gradient(135deg,#22c55e,#16a34a); }
.widget-btn:hover { transform:scale(1.15) translateY(-2px); }
#scrollTopBtn {
    width:48px; height:48px; border-radius:50%; border:none;
    background:linear-gradient(135deg,var(--primary),var(--primary-dark));
    color:#fff; font-size:1rem; transition:all .3s var(--ease-spring);
    box-shadow:0 4px 15px var(--primary-glow);
    opacity:0; pointer-events:none; transform:translateY(10px);
}
#scrollTopBtn.visible { opacity:1; pointer-events:auto; transform:translateY(0); }
#scrollTopBtn:hover { transform:scale(1.15) translateY(-2px); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media(max-width:1200px) {
    .solutions-grid { grid-template-columns:repeat(2,1fr); }
    .features-grid { grid-template-columns:repeat(2,1fr); }
    .hero-mockup { flex:0 0 340px; }
}
@media(max-width:768px) {
    .menu-toggle { display:block; }
    .nav-links {
        display:none; flex-direction:column; position:absolute;
        top:100%; left:0; right:0; padding:16px;
        background:rgba(255,255,255,.97); backdrop-filter:blur(20px);
        border-bottom:1px solid #e2e8f0;
        box-shadow:var(--shadow-lg);
    }
    .nav-links.active { display:flex; }
    .nav-links a { padding:12px 16px; width:100%; color:var(--text-primary); }
    .nav-links .dropdown-menu,
    .nav-links .mega-menu,
    .nav-arrow { display:none !important; }
    .s-hero-split { flex-direction:column; text-align:center; }
    .hero-mockup { flex:initial; width:100%; max-width:400px; margin:0 auto; }
    .hero-desc { margin-left:auto; margin-right:auto; }
    .hero-actions { justify-content:center; }
    .hero-metrics { justify-content:center; }
    .features-grid { grid-template-columns:1fr; }
    .solutions-grid { grid-template-columns:1fr; }
    .steps-row { flex-direction:column; align-items:center; }
    .step-connector { transform:rotate(90deg); margin:10px 0; }
    .stats-grid { gap:32px; }
    .top-bar { flex-direction:column; gap:6px; text-align:center; }
    .login-card { padding:28px 22px 24px; }
    .s-hero-text h1 { font-size:clamp(1.8rem,5vw,2.4rem); }
}
@media(max-width:480px) {
    .hero-metrics { flex-wrap:wrap; gap:16px; }
    .h-metric-sep { display:none; }
    .s-hero { padding:80px var(--section-pad) 60px; min-height:auto; }
}