/* ==============================
   1. CUSTOM PROPERTIES
   ============================== */
:root {
    --color-primary: #1B4965;
    --color-primary-light: #2C6E8A;
    --color-primary-dark: #0D2B3E;
    --color-primary-bg: rgba(27, 73, 101, 0.06);
    --color-accent: #E87612;
    --color-accent-hover: #D06810;
    --color-accent-light: #FFF4E6;
    --color-accent-bg: rgba(232, 118, 18, 0.08);
    --color-white: #FFFFFF;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F7F9FB;
    --color-bg-section: #F0F4F7;
    --color-text-dark: #1A2B3C;
    --color-text-body: #4B5563;
    --color-text-light: #6B7280;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    --font-heading: 'Lexend', sans-serif;
    --font-body: 'Be Vietnam Pro', sans-serif;
    --container-max: 1240px;
    --header-height: 72px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-accent-light);
    overflow-x: hidden;
}
html::-webkit-scrollbar { width: 6px; }
html::-webkit-scrollbar-track { background: var(--color-accent-light); }
html::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
    border-radius: 9999px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-body);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }

/* ==============================
   3. TYPOGRAPHY
   ============================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-dark);
    line-height: 1.2;
    font-weight: 800;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); font-weight: 700; }
p { margin-bottom: 1rem; }

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.section-badge::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

.section-title { margin: 16px 0; }
.section-subtitle {
    max-width: 650px;
    color: var(--color-text-light);
    font-size: 1.05rem;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-subtitle { margin: 0 auto; }

/* ==============================
   4. LAYOUT
   ============================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}
section { padding: 80px 0; }

/* ==============================
   5. HEADER
   ============================== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.72));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(27, 73, 101, 0.08);
    transition: box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled {
    box-shadow: 0 8px 32px rgba(13, 43, 62, 0.08);
    background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.88));
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.header-logo svg { flex-shrink: 0; }
.header-logo-text {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.15rem;
    color: var(--color-primary);
    letter-spacing: 0.04em;
    line-height: 1.1;
}
.header-logo-text small {
    display: block;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.header-nav { display: flex; align-items: center; gap: 32px; }
.header-nav a {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-text-body);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    position: relative;
    padding: 4px 0;
}
.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: width var(--transition);
}
.header-nav a:hover::after,
.header-nav a.active::after { width: 100%; }
.header-nav a:hover { color: var(--color-primary); }

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--color-accent), #F09030);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 6px 20px rgba(232, 118, 18, 0.3);
}
.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(232, 118, 18, 0.4);
    color: #fff;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-primary);
}
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    padding: 24px 20px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
    display: block;
    padding: 14px 0;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-dark);
    border-bottom: 1px solid var(--color-border-light);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ==============================
   6. HERO SECTION
   ============================== */
.hero-section {
    padding-top: calc(var(--header-height) + 48px);
    padding-bottom: 40px;
    background: linear-gradient(160deg, #FFFFFF 0%, #F4F8FB 50%, var(--color-accent-light) 100%);
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(232,118,18,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -100px; left: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(27,73,101,0.04) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-content { padding: 40px 0; }
.hero-taglines {
    position: absolute;
    left: 16px;
    bottom: 16px;
    display: flex;
    flex-direction: row;
    gap: 12px;
    z-index: 5;
}
.hero-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255,255,255,0.5);
    border-right: 4px solid var(--color-accent);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--color-text-dark);
    letter-spacing: 0.02em;
    white-space: nowrap;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    transition: all var(--transition);
}
.hero-tag::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}
.hero-tag:hover {
    background: rgba(232, 118, 18, 0.95);
    color: #fff;
    border-right-color: #fff;
    transform: translateX(4px);
    box-shadow: 0 8px 32px rgba(232,118,18,0.35);
}
.hero-tag:hover::before { background: #fff; }
.hero-title { margin: 16px 0 20px; }
.hero-title-accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, #F09030 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 500px;
    margin-bottom: 28px;
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--color-accent), #F09030);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 12px 28px rgba(232, 118, 18, 0.3);
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}
.btn-primary:hover::after { left: 100%; }
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(232, 118, 18, 0.4);
    color: #fff;
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--color-white);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 50px;
    border: 2px solid var(--color-primary);
    cursor: pointer;
    transition: all var(--transition);
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(27, 73, 101, 0.2);
}
.hero-partners {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-partners span {
    font-size: 0.8rem;
    color: var(--color-text-light);
    font-weight: 500;
}
.partner-badge {
    padding: 5px 14px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: 0.02em;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}
.hero-image-wrapper img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
}
.hero-image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(13, 43, 62, 0.4));
    pointer-events: none;
}
.hero-image-dots {
    position: absolute;
    bottom: -20px; left: -20px;
    width: 80px; height: 80px;
    background-image: radial-gradient(var(--color-primary) 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    opacity: 0.2;
}

/* ==============================
   7. PAIN POINTS SECTION
   ============================== */
.problems-section {
    background: var(--color-bg-alt);
    position: relative;
}
.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.problem-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, #EF4444, #F59E0B);
    border-radius: 0 4px 4px 0;
}
.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.problem-icon {
    width: 52px; height: 52px;
    background: #FEF2F2;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: #EF4444;
}
.problem-card h3 { margin-bottom: 8px; }
.problem-card p { font-size: 0.92rem; color: var(--color-text-light); margin: 0; }

.problems-cta {
    text-align: center;
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.problems-cta::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.problems-cta h3 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 8px;
    position: relative;
}
.problems-cta p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0;
    position: relative;
}
.problems-cta .accent-text { color: var(--color-accent); font-weight: 700; }

/* ==============================
   8. SERVICES SECTION
   ============================== */
.services-section { background: var(--color-bg); }
.services-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.service-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition);
}
.service-item:hover {
    background: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}
.service-icon {
    width: 40px; height: 40px;
    background: var(--color-accent-bg);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-accent);
}
.service-item h3 { font-size: 0.95rem; margin-bottom: 2px; }
.service-item p { font-size: 0.82rem; color: var(--color-text-light); margin: 0; }

.services-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    align-self: stretch;
}
.services-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}
.services-image-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 32px;
    background: linear-gradient(0deg, rgba(13,43,62,0.9) 0%, transparent 100%);
    color: #fff;
}
.services-image-overlay h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 4px;
}
.services-image-overlay p {
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    margin: 0;
}

/* ==============================
   9. WHY CHOOSE US
   ============================== */
.advantages-section {
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.advantage-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
}
.advantage-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 0; height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    border-radius: 3px 3px 0 0;
    transition: width var(--transition);
}
.advantage-card:hover::after { width: 60%; }
.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.advantage-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--color-accent-bg), rgba(232,118,18,0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-accent);
    transition: transform var(--transition);
}
.advantage-card:hover .advantage-icon { transform: scale(1.1); }
.advantage-card h3 { margin-bottom: 10px; font-size: 1.05rem; }
.advantage-card p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

.advantages-grid-extra {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 700px;
    margin: 24px auto 0;
}

/* ==============================
   10. COMPARISON SECTION
   ============================== */
.comparison-section { background: var(--color-bg); }
.comparison-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}
.comparison-card {
    border-radius: var(--radius-lg);
    padding: 36px;
    position: relative;
    overflow: hidden;
}
.comparison-card.diy {
    background: #FAFAFA;
    border: 1px solid var(--color-border);
}
.comparison-card.pro {
    background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    box-shadow: var(--shadow-xl);
}
.comparison-card.pro::before {
    content: 'Khuyên dùng';
    position: absolute;
    top: 28px; right: -42px;
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 40px;
    transform: rotate(45deg);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.comparison-card h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid;
}
.comparison-card.diy h3 { border-color: var(--color-border); }
.comparison-card.pro h3 { color: #fff; border-color: rgba(255,255,255,0.2); }
.comparison-list { display: flex; flex-direction: column; gap: 16px; }
.comparison-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
}
.comparison-item .icon {
    flex-shrink: 0;
    width: 24px; height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    margin-top: 2px;
}
.comparison-card.diy .icon {
    background: #FEE2E2;
    color: #EF4444;
}
.comparison-card.pro .icon {
    background: rgba(255,255,255,0.2);
    color: #fff;
}
.comparison-card.pro .comparison-item { color: rgba(255,255,255,0.9); }

/* ==============================
   11. PROCESS SECTION
   ============================== */
.process-section {
    background: var(--color-bg-alt);
    position: relative;
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    position: relative;
}
.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    opacity: 0.3;
}
.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-number {
    width: 72px; height: 72px;
    background: var(--color-white);
    border: 3px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--color-text-light);
    transition: all var(--transition);
}
.process-step:hover .step-number {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(232, 118, 18, 0.2);
}
.process-step h3 { font-size: 0.95rem; margin-bottom: 6px; }
.process-step p { font-size: 0.82rem; color: var(--color-text-light); margin: 0; padding: 0 8px; }

/* ==============================
   12. GALLERY SECTION
   ============================== */
.gallery-section { background: var(--color-bg); }
.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}
.gallery-tab {
    padding: 10px 28px;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition);
}
.gallery-tab:hover { border-color: var(--color-accent); color: var(--color-accent); }
.gallery-tab.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.gallery-panel { display: none; }
.gallery-panel.active { display: grid; }
.gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 220px;
    gap: 12px;
}
.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: #000;
}
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide { grid-column: span 2; grid-row: span 1; }
.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}
.gallery-item:hover img,
.gallery-item:hover video { transform: scale(1.08); }
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(13, 43, 62, 0.8) 100%);
    opacity: 0;
    transition: opacity var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    z-index: 2;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
}
.gallery-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(232, 118, 18, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 3;
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
    transition: transform var(--transition), background var(--transition);
}
.gallery-play svg {
    width: 22px;
    height: 22px;
    fill: #fff;
    margin-left: 3px;
}
.gallery-item:hover .gallery-play {
    background: var(--color-accent);
    transform: translate(-50%, -50%) scale(1.1);
}

/* Lightbox Gallery */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.94);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    padding: 40px;
}
.lightbox.active { display: flex; }
.lightbox img, .lightbox video {
    max-width: 88vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 60px rgba(0,0,0,0.5);
}
.lightbox-close {
    position: absolute;
    top: 20px; right: 20px;
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
    z-index: 10;
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px; height: 48px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
    z-index: 10;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.25); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
}

/* ==============================
   13. CTA SECTION
   ============================== */
.cta-section {
    background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%; left: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(232,118,18,0.12) 0%, transparent 60%);
    border-radius: 50%;
    animation: float-orb 12s ease-in-out infinite;
}
.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%; right: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
    border-radius: 50%;
    animation: float-orb 16s ease-in-out infinite reverse;
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 {
    color: #fff;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    margin-bottom: 16px;
}
.cta-content p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 32px;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--color-accent), #F09030);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 12px 32px rgba(232,118,18,0.4);
}
.btn-cta-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 40px rgba(232,118,18,0.5);
    color: #fff;
}
.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 50px;
    border: 2px solid rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all var(--transition);
}
.btn-cta-secondary:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
    color: #fff;
}

.cta-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.cta-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    text-align: left;
}
.cta-info-icon {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}
.cta-info-icon svg { width: 16px; height: 16px; }
.cta-info-item strong {
    display: block;
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 2px;
}

/* ==============================
   14. FOOTER
   ============================== */
.site-footer {
    background: #0A1929;
    padding: 56px 0 0;
    position: relative;
    overflow: hidden;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}
.site-footer::after {
    content: '';
    position: absolute;
    bottom: -100px; right: -50px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(232,118,18,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}
.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.7;
}
.footer-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}
.footer-links a {
    display: block;
    color: rgba(255,255,255,0.55);
    font-size: 0.88rem;
    padding: 5px 0;
    transition: color var(--transition), padding-left var(--transition);
}
.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 6px;
}
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255,255,255,0.6);
    font-size: 0.88rem;
    margin-bottom: 14px;
}
.footer-contact-item svg { flex-shrink: 0; margin-top: 3px; color: var(--color-accent); }
.footer-contact-item a { color: rgba(255,255,255,0.8); }
.footer-contact-item a:hover { color: var(--color-accent); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    text-align: center;
    position: relative;
    z-index: 1;
}
.footer-bottom p {
    color: rgba(255,255,255,0.35);
    font-size: 0.8rem;
    margin: 0;
}

/* ==============================
   15. SOCIAL LINKS
   ============================== */
.social-links {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}
.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    transition: all var(--transition);
    overflow: hidden;
}
.social-link:hover { transform: translateY(-3px); }
.social-link img { width: 32px; height: 32px; object-fit: contain; }
.cta-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 28px;
}
.cta-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    transition: all var(--transition);
    overflow: hidden;
}
.cta-social-link:hover { transform: translateY(-3px) scale(1.1); }
.cta-social-link img { width: 36px; height: 36px; object-fit: contain; }

/* ==============================
   16. SCROLL ANIMATIONS
   ============================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.scroll-animate-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.scroll-animate-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.scroll-animate-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) translateX(0) scale(1) !important;
}
.scroll-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}
.scroll-stagger.animate-in > * {
    opacity: 1;
    transform: translateY(0);
}
.scroll-stagger.animate-in > *:nth-child(1) { transition-delay: 0.05s; }
.scroll-stagger.animate-in > *:nth-child(2) { transition-delay: 0.1s; }
.scroll-stagger.animate-in > *:nth-child(3) { transition-delay: 0.15s; }
.scroll-stagger.animate-in > *:nth-child(4) { transition-delay: 0.2s; }
.scroll-stagger.animate-in > *:nth-child(5) { transition-delay: 0.25s; }
.scroll-stagger.animate-in > *:nth-child(6) { transition-delay: 0.3s; }
.scroll-stagger.animate-in > *:nth-child(7) { transition-delay: 0.35s; }
.scroll-stagger.animate-in > *:nth-child(8) { transition-delay: 0.4s; }
.scroll-stagger.animate-in > *:nth-child(9) { transition-delay: 0.45s; }
.scroll-stagger.animate-in > *:nth-child(10) { transition-delay: 0.5s; }
.scroll-stagger.animate-in > *:nth-child(11) { transition-delay: 0.55s; }

/* ==============================
   17. KEYFRAMES
   ============================== */
@keyframes float-orb {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(20px, -30px); }
    66% { transform: translate(-15px, 20px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232,118,18,0.3); }
    50% { box-shadow: 0 0 0 12px rgba(232,118,18,0); }
}

/* ==============================
   FIXED CONTACT BUTTONS
   ============================== */
.fixed-contact {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}
.fixed-contact-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.fixed-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px 10px 12px;
    background: #fff;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}
.fixed-contact-item:hover {
    transform: translateX(-4px);
    box-shadow: 0 6px 28px rgba(0,0,0,0.2);
}
.fixed-contact-item img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
}
.fixed-contact-item span {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-dark);
}
.fixed-contact-toggle { display: none; }

/* ==============================
   ENTRY CONTENT (for pages/posts)
   ============================== */
.entry-content p { margin-bottom: 1rem; }
.entry-content h2 { margin: 2rem 0 1rem; }
.entry-content h3 { margin: 1.5rem 0 0.75rem; }
.entry-content img { border-radius: var(--radius-md); margin: 1rem 0; }
.entry-content ul,
.entry-content ol { margin: 1rem 0; padding-left: 1.5rem; list-style: revert; }
.entry-content a { color: var(--color-accent); }
.entry-content a:hover { color: var(--color-accent-hover); }

/* ==============================
   ARCHIVE PAGE
   ============================== */
.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.archive-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}
.archive-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.archive-card-thumb {
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.archive-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.archive-card:hover .archive-card-thumb img { transform: scale(1.05); }
.archive-card-body { padding: 24px; }
.archive-card-date {
    font-size: 0.78rem;
    color: var(--color-text-light);
    font-weight: 500;
}
.archive-card-title {
    margin: 6px 0 10px;
    font-size: 1.05rem;
}
.archive-card-title a { color: var(--color-text-dark); }
.archive-card-title a:hover { color: var(--color-accent); }
.archive-card-excerpt {
    font-size: 0.88rem;
    color: var(--color-text-light);
    margin: 0 0 16px;
    line-height: 1.6;
}
.archive-card-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.archive-card-link:hover { color: var(--color-accent-hover); }
.archive-pagination {
    margin-top: 48px;
    text-align: center;
}
.archive-pagination .nav-links {
    display: flex;
    justify-content: center;
    gap: 8px;
}
.archive-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-body);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.archive-pagination .page-numbers:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.archive-pagination .page-numbers.current {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* ==============================
   18. RESPONSIVE
   ============================== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 32px; }
    .hero-image-wrapper img { aspect-ratio: 4/3; }
    .services-layout { grid-template-columns: 1fr; }
    .services-image { min-height: 340px; order: -1; }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid-extra {
        grid-template-columns: 1fr;
        max-width: 340px;
    }
    .comparison-wrapper { grid-template-columns: 1fr; max-width: 480px; }
    .process-steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .process-steps::before { display: none; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .archive-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    section { padding: 56px 0; }
    .header-nav, .header-cta { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero-section { padding-top: calc(var(--header-height) + 24px); }
    .hero-content { padding: 20px 0; text-align: center; }
    .hero-desc { margin: 0 auto 28px; }
    .hero-actions { justify-content: center; }
    .hero-partners { justify-content: center; }
    .hero-image-wrapper img { aspect-ratio: 4/3; }
    .hero-image-frame, .hero-image-dots { display: none; }
    .hero-taglines {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        margin-top: 12px;
    }
    .hero-tag {
        border-left: none;
        border-bottom: 3px solid var(--color-accent);
        border-radius: var(--radius-sm);
        font-size: 0.78rem;
        padding: 8px 14px;
    }
    h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
    h2 { font-size: clamp(1.35rem, 3.5vw, 2rem); }
    h3 { font-size: clamp(0.95rem, 2vw, 1.15rem); }
    .section-badge { font-size: 0.75rem; padding: 5px 12px; }
    .section-subtitle { font-size: 0.9rem; }
    .section-header { margin-bottom: 36px; }
    .hero-desc { font-size: 0.92rem; margin: 0 auto 24px; }
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary { font-size: 0.85rem; padding: 12px 20px; justify-content: center; text-align: center; }
    .hero-partners { font-size: 0.8rem; }
    .problem-card h3 { font-size: 0.95rem; }
    .problem-card p { font-size: 0.82rem; }
    .problems-grid { grid-template-columns: 1fr; }
    .service-item h3 { font-size: 0.88rem; }
    .service-item p { font-size: 0.78rem; }
    .advantage-card h3 { font-size: 0.95rem; }
    .advantage-card p { font-size: 0.82rem; }
    .advantages-grid { grid-template-columns: 1fr; }
    .advantages-grid-extra { grid-template-columns: 1fr; }
    .process-step h3 { font-size: 0.88rem; }
    .process-step p { font-size: 0.78rem; }
    .process-steps { grid-template-columns: 1fr; gap: 24px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
    .gallery-item.wide { grid-column: span 2; grid-row: span 1; }
    .gallery-item.tall { grid-row: span 1; height: auto; }
    .gallery-tab { font-size: 0.82rem; padding: 8px 18px; }
    .gallery-tabs { flex-wrap: wrap; }
    .gallery-play { width: 48px; height: 48px; }
    .gallery-play svg { width: 18px; height: 18px; }
    .cta-title { font-size: clamp(1.3rem, 3.5vw, 1.8rem); }
    .cta-desc { font-size: 0.92rem; }
    .cta-content h2 { font-size: clamp(1.3rem, 3.5vw, 1.8rem); }
    .cta-content p { font-size: 0.92rem; margin-bottom: 24px; }
    .btn-cta-primary, .btn-cta-secondary { font-size: 0.9rem; }
    .cta-info { gap: 20px; flex-direction: column; align-items: flex-start; max-width: 320px; margin-left: auto; margin-right: auto; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .footer-brand,
    .footer-grid > div:last-child {
        grid-column: span 2;
    }
    .footer-title { font-size: 0.9rem; }
    .footer-link { font-size: 0.82rem; }
    .footer-bottom { font-size: 0.78rem; }
    section { padding: 48px 0; }
    .archive-grid { grid-template-columns: 1fr; }

    .fixed-contact {
        bottom: 16px;
        right: 16px;
        flex-direction: row;
        gap: 10px;
    }
    .fixed-contact-items {
        flex-direction: row;
        gap: 10px;
    }
    .fixed-contact-item {
        padding: 0;
        background: none;
        box-shadow: none;
        gap: 0;
    }
    .fixed-contact-item:hover {
        transform: scale(1.1);
        box-shadow: none;
    }
    .fixed-contact-item img {
        width: 48px;
        height: 48px;
        box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    }
    .fixed-contact-item span { display: none; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; align-items: stretch; }
    .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 220px; }
    .gallery-item.wide { grid-column: span 1; grid-row: span 1; }
    .cta-actions { flex-direction: column; align-items: stretch; }
    .btn-cta-primary, .btn-cta-secondary { justify-content: center; }
    .cta-social { gap: 12px; }
}

/* ==============================
   ADMIN BAR COMPATIBILITY
   ============================== */
.admin-bar .site-header { top: 32px; }
.admin-bar .mobile-menu { top: calc(var(--header-height) + 32px); }
.admin-bar .hero-section { padding-top: calc(var(--header-height) + 48px + 32px); }

@media (max-width: 782px) {
    .admin-bar .site-header { top: 46px; }
    .admin-bar .mobile-menu { top: calc(var(--header-height) + 46px); }
    .admin-bar .hero-section { padding-top: calc(var(--header-height) + 24px + 46px); }
}

/* ==============================
   19. REDUCED MOTION
   ============================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .scroll-animate, .scroll-animate-left, .scroll-animate-right, .scroll-animate-scale {
        opacity: 1 !important;
        transform: none !important;
    }
}