/* ========================================
   THANH NAM HOMES — Masterise-inspired Design
   Charcoal luxury surfaces | champagne gold CTAs | ivory editorial surfaces
   ======================================== */

:root {
    /* Masterise Homes-inspired palette */
    --brand-green: #C7A15A;
    --brand-green-dark: #8C6A2F;
    --brand-green-mid: #B58B45;
    --brand-green-soft: #F6EFE1;
    --brand-teal-deep: #111111;
    --brand-teal: #1D1A18;
    --brand-teal-mid: #5F574D;
    --accent-purple: #8B7760;
    --accent-orange: #D7B874;
    --accent-pink: #B48A76;
    --accent-blue: #7B8580;
    --canvas-dark: #151311;

    --ink-black: #181512;
    --canvas-cream: #F7F3EA;
    --lifted-cream: #FFFCF6;
    --white: #FFFFFF;
    --signal-orange: #C7A15A;
    --light-orange: #C7A15A;
    --slate-gray: #6F6A62;
    --charcoal: #1D1A18;
    --dust-taupe: #DED3C1;

    /* Semantic Aliases (for backward compat with blog.css / project-detail.css) */
    --primary: #8C6A2F;
    --primary-dark: #6F5326;
    --primary-light: #F6EFE1;
    --secondary: #181512;
    --text-main: #2B2621;
    --text-muted: #6F6A62;
    --bg-white: #FFFFFF;
    --bg-light: #F7F3EA;
    --accent: #C7A15A;
    --accent-red: #D7B874;

    --hairline: #DED3C1;
    --hairline-soft: #E9E0D2;
    --hairline-strong: #BCAA8A;
    --hairline-dark: rgba(255,255,255,0.2);

    /* Elevation */
    --shadow-sm: rgba(24, 21, 18, 0.05) 0px 1px 2px 0px;
    --shadow-md: rgba(24, 21, 18, 0.1) 0px 4px 12px 0px;
    --shadow-lg: rgba(24, 21, 18, 0.16) 0px 12px 24px -4px;

    /* Radius */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-pill: 999px;

    --transition: all 0.18s ease;
    --glass-bg: rgba(255, 255, 255, 0.96);
    --glass-border: rgba(255, 255, 255, 0.2);
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Euclid Circular A', 'Sofia Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--canvas-cream);
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Euclid Circular A', 'Sofia Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 500;
    color: var(--ink-black);
    line-height: 1.2;
    letter-spacing: -0.02em;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

/* ========== TYPOGRAPHY ========== */
.section-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-black);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.section-label::before {
    content: '•';
    color: var(--brand-green);
    font-size: 1.1em;
    line-height: 1;
}
.section-desc {
    color: var(--slate-gray);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1rem;
    font-weight: 400;
}
.divider {
    height: 2px;
    width: 40px;
    background: var(--brand-green);
    margin: 16px auto 20px;
    border-radius: 1px;
}
.text-gradient {
    color: var(--brand-green);
    background: none;
    -webkit-text-fill-color: var(--brand-green);
}

/* ========== HEADER — Masterise-style Sticky Nav ========== */
.header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: 100%;
    max-width: none;
    background: var(--white);
    border-radius: 0;
    border-bottom: 1px solid var(--hairline);
    box-shadow: none;
    transition: var(--transition);
    padding: 0;
}
.header.scrolled {
    padding: 0;
    background: var(--white);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid var(--hairline);
    box-shadow: var(--shadow-sm);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 48px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Euclid Circular A', 'Sofia Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--ink-black);
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.logo-icon {
    width: 34px;
    height: 34px;
    background: url("assets/avatar/thanh-nam-avatar.png") center 30% / 128% auto no-repeat;
    color: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid rgba(199, 161, 90, 0.55);
    box-shadow: 0 0 0 2px rgba(199, 161, 90, 0.12);
}
.logo-icon i { display: none; }
.logo-text { text-transform: uppercase; }
.logo-accent { color: var(--brand-green-dark); }
.header.scrolled .logo { color: var(--ink-black); }

/* Nav */
.nav ul {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav a {
    color: var(--ink-black);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    transition: var(--transition);
}
.header.scrolled .nav a { color: var(--ink-black); }
.nav a:hover { color: var(--slate-gray) !important; }
.btn-nav {
    background: var(--brand-green) !important;
    color: var(--brand-teal-deep) !important;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
    letter-spacing: -0.01em;
}
.btn-nav:hover {
    background: #D7B874 !important;
    transform: none;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink-black);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}
.header.scrolled .hamburger span { background: var(--ink-black); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.mobile-nav.open {
    display: block;
    max-height: 400px;
    padding: 15px 0 25px;
}
.mobile-nav ul {
    display: flex;
    flex-direction: column;
}
.mobile-nav a {
    display: block;
    padding: 14px 30px;
    color: var(--ink-black);
    font-size: 0.95rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all 0.2s ease;
}
.mobile-nav a:hover { color: var(--slate-gray); }
.mobile-nav li:last-child a {
    margin: 18px 25px 0;
    padding: 13px;
    text-align: center;
    border-radius: var(--radius-pill);
    border-bottom: none;
    background: var(--brand-green);
    color: var(--brand-teal-deep);
}

/* ========== BUTTONS ========== */
.btn-primary {
    background: var(--brand-green);
    color: var(--brand-teal-deep);
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: 1.5px solid var(--brand-green);
    cursor: pointer;
    font-family: inherit;
    letter-spacing: -0.01em;
}
.btn-primary:hover {
    background: #D7B874;
    border-color: #D7B874;
    transform: none;
    box-shadow: var(--shadow-md);
}
.btn-full { width: 100%; justify-content: center; }
.btn-outline-hero {
    background: transparent;
    color: var(--canvas-cream);
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid rgba(255,255,255,0.4);
    transition: var(--transition);
    letter-spacing: -0.01em;
}
.btn-outline-hero:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
}
.btn-shimmer { position: relative; overflow: hidden; }
.btn-shimmer::after { display: none; }

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(17, 17, 17, 0.78), rgba(17, 17, 17, 0.45) 52%, rgba(17, 17, 17, 0.18)),
        url("assets/masterise-cao-xa-la/hero-bg-clean.jpeg") center / cover no-repeat,
        var(--brand-teal-deep);
    z-index: -2;
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 55%, rgba(199, 161, 90, 0.14) 0%, transparent 46%),
        radial-gradient(circle at 85% 25%, rgba(255, 252, 246, 0.14) 0%, transparent 42%);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
}
.hero .container { position: relative; }

.hero-inner {
    padding-top: 110px;
    padding-bottom: 60px;
    display: grid;
    grid-template-columns: minmax(0, 760px);
    gap: 40px;
    align-items: center;
}
.hero-text {
    max-width: 760px;
}
.hero-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.62);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.hero-label::before {
    content: '•';
    color: var(--brand-green);
}
.hero h1 {
    font-size: clamp(2.6rem, 5.4vw, 4.5rem);
    font-weight: 500;
    color: #FFFFFF;
    margin-bottom: 22px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.hero-desc {
    font-size: 1.125rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.72);
    max-width: 610px;
    margin-bottom: 36px;
    line-height: 1.75;
}
.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.hero-proof-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}
.hero-proof-list span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 34px;
    padding: 6px 12px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.78);
    font-size: 0.82rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
}
.hero-proof-list i {
    color: var(--brand-green);
    font-size: 0.74rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 50px;
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--hairline-dark);
}
.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.hero-stat-num {
    font-family: 'Euclid Circular A', 'Sofia Sans', sans-serif;
    font-size: 2rem;
    font-weight: 500;
    color: #FFFFFF;
    letter-spacing: -0.02em;
}
.hero-stat-label {
    font-size: 0.78rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.58);
    line-height: 1.4;
}

.scroll-indicator {
    position: absolute;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(243, 240, 238, 0.3);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-8px) translateX(-50%); }
    60% { transform: translateY(-4px) translateX(-50%); }
}

/* ========== SECTIONS ========== */
.section {
    padding: 100px 0;
    background: var(--canvas-cream);
}
.bg-light { background: var(--lifted-cream); }
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: 2.4rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}
.section-header .section-label {
    justify-content: center;
}

/* ========== PROJECT CARDS ========== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.project-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--hairline);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.project-card-featured {
    border-color: rgba(199, 161, 90, 0.42);
    box-shadow: rgba(17, 17, 17, 0.07) 0 10px 28px -14px;
}
.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.project-img {
    position: relative;
    overflow: hidden;
    height: 240px;
}
.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.project-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(17,17,17,0), rgba(17,17,17,0.12));
    pointer-events: none;
}
.project-card:hover .project-img img { transform: scale(1.03); }
.project-badges {
    position: absolute;
    top: 16px; left: 16px;
    display: flex;
    gap: 8px;
    z-index: 2;
}
.badge {
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-hot { background: var(--brand-teal-deep); color: var(--brand-green); }
.badge-new { background: var(--brand-green); color: var(--brand-teal-deep); }

.project-body {
    padding: 28px 28px 24px;
    display: flex;
    flex: 1;
    flex-direction: column;
}
.project-developer {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.75rem;
    color: var(--slate-gray);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.dev-logo {
    height: 20px;
    width: auto;
    object-fit: contain;
}
.project-body h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    color: var(--ink-black);
}
.project-location {
    color: var(--slate-gray);
    font-size: 0.875rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.project-location i { color: var(--light-orange); font-size: 0.8rem; }

.project-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.spec {
    font-size: 0.76rem;
    color: var(--slate-gray);
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--lifted-cream);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
}
.spec i { color: var(--ink-black); font-size: 0.7rem; opacity: 0.4; }

.project-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: auto;
    margin-bottom: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(0,0,0,0.06);
}
.price-label {
    font-size: 0.78rem;
    color: var(--slate-gray);
}
.price-value {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--ink-black);
    letter-spacing: -0.01em;
}

.btn-card {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-teal-deep);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 9px 20px;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--hairline-strong);
    transition: var(--transition);
}
.btn-card:hover {
    background: var(--brand-green);
    border-color: var(--brand-green);
    color: var(--brand-teal-deep);
    gap: 12px;
}
.btn-card i { font-size: 0.75rem; transition: transform 0.3s ease; }
.btn-card:hover i { transform: translateX(3px); }

.btn-card-outline {
    color: var(--slate-gray);
    border: 1px solid rgba(0,0,0,0.12);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
}
.btn-card-outline:hover {
    color: var(--ink-black);
    border-color: var(--ink-black);
    background: transparent;
}

/* Coming Soon placeholder */
.project-img-placeholder {
    background: var(--canvas-cream);
    display: flex;
    align-items: center;
    justify-content: center;
}
.coming-soon-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--slate-gray);
    font-size: 0.875rem;
    font-weight: 500;
}
.coming-soon-overlay i { font-size: 2rem; color: var(--dust-taupe); }

/* ========== TRUST / WHY US ========== */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.trust-card {
    background: var(--white);
    padding: 36px 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--hairline);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.trust-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-green);
    opacity: 0.9;
}
.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.trust-icon {
    width: 60px;
    height: 60px;
    background: var(--brand-green-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.4rem;
    color: var(--ink-black);
    transition: var(--transition);
}
.trust-card:hover .trust-icon {
    background: var(--brand-green);
    color: var(--brand-teal-deep);
}
.trust-card h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}
.trust-card p {
    font-size: 0.875rem;
    color: var(--slate-gray);
    line-height: 1.7;
}

/* ========== BLOG CARDS ========== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.blog-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--hairline);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.blog-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}
.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.blog-card:hover .blog-img img { transform: scale(1.03); }
.blog-img-placeholder {
    background: var(--canvas-cream);
}
.blog-category {
    position: absolute;
    bottom: 12px; left: 12px;
    background: var(--accent-purple);
    color: var(--white);
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.blog-body {
    padding: 24px;
    display: flex;
    flex: 1;
    flex-direction: column;
}
.blog-date {
    font-size: 0.75rem;
    color: var(--slate-gray);
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}
.blog-body h3 {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    letter-spacing: -0.01em;
}
.blog-body p {
    font-size: 0.875rem;
    color: var(--slate-gray);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-link { margin-top: auto; }
.blog-link {
    color: var(--brand-green-dark);
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.blog-link:hover { gap: 10px; }

/* ========== CTA SECTION ========== */
.cta-section {
    position: relative;
    overflow: hidden;
    background: var(--canvas-cream);
}
.cta-bg {
    position: absolute;
    inset: 0;
    background: var(--canvas-cream);
    z-index: 0;
}
.cta-section .container { position: relative; z-index: 1; }

.cta-box {
    background: var(--brand-teal-deep);
    border-radius: var(--radius-lg);
    padding: 60px;
    display: flex;
    align-items: flex-start;
    gap: 50px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255,255,255,0.12);
}
.cta-text { flex: 1; }
.cta-text h2 {
    font-size: 2rem;
    font-weight: 500;
    color: var(--canvas-cream);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}
.cta-text p {
    color: rgba(243, 240, 238, 0.6);
    font-size: 0.95rem;
    margin-bottom: 25px;
    line-height: 1.8;
}
.cta-highlights {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.cta-hl {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 400;
    color: rgba(243, 240, 238, 0.75);
}
.cta-hl i { color: var(--light-orange); font-size: 0.8rem; }

.cta-form {
    flex: 1;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.cta-form input,
.cta-form select {
    width: 100%;
    padding: 14px 20px;
    border: 1.5px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s;
    background: rgba(255,255,255,0.07);
    color: var(--canvas-cream);
}
.cta-form input::placeholder { color: rgba(243,240,238,0.35); }
.cta-form input:focus,
.cta-form select:focus {
    border-color: rgba(255,255,255,0.35);
    box-shadow: none;
}
.cta-form select {
    color: rgba(243,240,238,0.6);
    cursor: pointer;
}
.cta-form select option { background: var(--brand-teal-deep); color: var(--canvas-cream); }
.cta-form .btn-primary {
    padding: 16px 28px;
    font-size: 0.95rem;
    margin-top: 4px;
    background: var(--brand-green);
    color: var(--brand-teal-deep);
    border-color: var(--brand-green);
    border-radius: var(--radius-pill);
    font-weight: 700;
}
.cta-form .btn-primary:hover {
    background: #D7B874;
    border-color: #D7B874;
    box-shadow: none;
}

/* Form Success */
.form-success {
    text-align: center;
    padding: 20px 0;
    animation: fadeIn 0.5s ease;
}
.success-icon {
    font-size: 3rem;
    color: var(--brand-green);
    margin-bottom: 15px;
}
.form-success h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--canvas-cream);
    letter-spacing: -0.01em;
}
.form-success p {
    color: rgba(243,240,238,0.6);
    margin-bottom: 20px;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== FOOTER ========== */
.footer {
    background: var(--brand-teal-deep);
    color: rgba(255,255,255,0.6);
    padding: 70px 0 0;
}
.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Euclid Circular A', 'Sofia Sans', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--canvas-cream);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}
.logo-icon-footer {
    width: 32px;
    height: 32px;
    font-size: 0.72rem;
    color: transparent;
    border-radius: 50%;
}
.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.45);
}
.footer-col h3 {
    color: rgba(255,255,255,0.35);
    font-family: 'Euclid Circular A', 'Sofia Sans', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.footer-col p {
    margin-bottom: 8px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-col p i { color: var(--brand-green); width: 16px; text-align: center; }
.footer-col a { color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-col a:hover { color: var(--canvas-cream); }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    font-size: 0.875rem;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-links a::before {
    content: '↗';
    color: rgba(255,255,255,0.2);
    font-size: 0.75em;
}

.social-links {
    display: flex;
    gap: 10px;
}
.social-links a {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.07);
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.9rem;
}
.social-links a:hover {
    background: rgba(255,255,255,0.14);
    color: var(--canvas-cream);
    transform: none;
}
.social-zalo {
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding: 22px 0;
    text-align: center;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.28);
}

/* ========== FLOATING CONTACT ========== */
.floating-contact {
    position: fixed;
    bottom: 25px;
    right: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 9999;
}
.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--canvas-cream);
    font-size: 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.float-btn:hover {
    transform: scale(1.08) translateY(-2px);
    color: var(--canvas-cream);
}
.float-zalo {
    background: var(--brand-teal-deep);
    animation: pulse-zalo 2.5s infinite 0.5s;
}
.zalo-text {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.float-hotline {
    background: var(--brand-green);
    color: var(--brand-teal-deep);
    animation: pulse-hotline 2s infinite;
}
@keyframes pulse-zalo {
    0%   { box-shadow: 0 0 0 0 rgba(17, 17, 17, 0.45); }
    70%  { box-shadow: 0 0 0 12px rgba(17, 17, 17, 0); }
    100% { box-shadow: 0 0 0 0 rgba(17, 17, 17, 0); }
}
@keyframes pulse-hotline {
    0%   { box-shadow: 0 0 0 0 rgba(199, 161, 90, 0.5); }
    70%  { box-shadow: 0 0 0 12px rgba(199, 161, 90, 0); }
    100% { box-shadow: 0 0 0 0 rgba(199, 161, 90, 0); }
}
.float-top {
    background: rgba(20, 20, 19, 0.65);
    width: 38px;
    height: 38px;
    border-radius: var(--radius-pill);
    font-size: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.3s ease;
}
.float-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ========== ANIMATIONS ========== */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.reveal-up { transform: translateY(30px); }
.reveal-left { transform: translateX(-30px); }
.reveal-right { transform: translateX(30px); }
.reveal-up.active, .reveal-left.active, .reveal-right.active {
    opacity: 1;
    transform: translate(0,0);
}
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .container { padding: 0 32px; }
    .nav-container { padding: 13px 32px; }
    .hero-inner { grid-template-columns: 1fr; gap: 32px; }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: repeat(2, 1fr); }
    .cta-box { flex-direction: column; padding: 40px; }
    .cta-form { max-width: 100%; width: 100%; }
}

@media (max-width: 768px) {
    .header {
        top: 0;
        width: 100%;
    }
    .nav { display: none; }
    .hamburger { display: flex; }

    .hero h1 { font-size: 2.6rem; }
    .hero-desc { font-size: 0.95rem; }
    .hero-stats { gap: 25px; flex-wrap: wrap; }
    .hero-stat-num { font-size: 1.7rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions a { text-align: center; justify-content: center; }
    .hero-proof-list { gap: 8px; }
    .hero-proof-list span {
        width: 100%;
        justify-content: center;
    }

    .section { padding: 70px 0; }
    .section-header h2 { font-size: 1.9rem; }
    .section-header { margin-bottom: 40px; }

    .projects-grid { grid-template-columns: 1fr; }
    .project-img { height: 220px; }

    .trust-grid { grid-template-columns: 1fr; gap: 12px; }
    .trust-card { padding: 24px 20px; text-align: left; display: flex; gap: 18px; align-items: flex-start; }
    .trust-icon { margin: 0; flex-shrink: 0; width: 48px; height: 48px; font-size: 1.2rem; }

    .blog-grid { grid-template-columns: 1fr; }

    .cta-box { padding: 32px 24px; }

    .footer-content { grid-template-columns: 1fr; gap: 28px; }

    .floating-contact { bottom: 18px; right: 18px; }
    .float-btn { width: 48px; height: 48px; font-size: 18px; }
    .zalo-text { font-size: 11px; }
    .float-top { width: 34px; height: 34px; font-size: 14px; }

    .logo { flex: 1; }
}

@media (max-width: 480px) {
    .container { padding: 0 20px; }
    .nav-container { padding: 12px 20px; }
    .hero h1 { font-size: 2.25rem; }
    .hero-inner { padding-top: 80px; }
    .hero-stats { gap: 20px; }
    .hero-stat { width: calc(50% - 10px); }
    .cta-box { padding: 24px 20px; }
}