/* DropPay – Ghana's Multi-Vendor Marketplace */
/* =========================================== */

:root {
    --primary:       #2563EB;
    --primary-dark:  #1D4ED8;
    --primary-light: #EFF6FF;
    --accent:        #F59E0B;
    --accent-dark:   #D97706;
    --green:         #10B981;
    --red:           #EF4444;
    --purple:        #8B5CF6;
    --teal:          #14B8A6;
    --orange:        #F97316;
    --dark:          #0F172A;
    --dark-2:        #1E293B;
    --text:          #0F172A;
    --text-muted:    #64748B;
    --border:        #E2E8F0;
    --bg:            #F8FAFC;
    --white:         #FFFFFF;
    --radius-sm:     8px;
    --radius:        14px;
    --radius-lg:     20px;
    --shadow-sm:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow:        0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.06);
    --shadow-lg:     0 20px 48px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.2; color: var(--text); }
p { color: var(--text-muted); }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 28px;
}

section { padding: 96px 0; }

/* ---- TYPOGRAPHY HELPERS ---- */
.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, #F97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.label-light {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto;
}

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
    font-family: inherit;
    line-height: 1.4;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); opacity: 0.93; }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4F46E5 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}

.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(37,99,235,0.4);
}

.btn-ghost {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.2);
}

.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius); }

.btn-full { width: 100%; }

.btn-header {
    background: var(--accent);
    color: var(--dark);
    font-weight: 800;
    font-size: 0.85rem;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 8px rgba(245,158,11,0.3);
}

.btn-header:hover { box-shadow: 0 4px 16px rgba(245,158,11,0.4); }

/* ---- HEADER ---- */
#site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(15,23,42,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 14px 0;
    transition: background 0.3s;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 900;
    color: #fff;
    flex-shrink: 0;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary) 0%, #4F46E5 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 2px 10px rgba(37,99,235,0.4);
}

.logo-mark.sm {
    width: 30px;
    height: 30px;
    font-size: 0.95rem;
    border-radius: 8px;
}

.logo-pay { color: var(--accent); }

nav { flex: 1; }

nav ul {
    list-style: none;
    display: flex;
    gap: 4px;
    align-items: center;
}

nav ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}

nav ul li a:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: 0.3s;
}

/* ---- HERO ---- */
#hero {
    padding: 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 50%, #0F172A 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
}

.blob-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #2563EB, transparent);
    top: -150px; left: -150px;
}

.blob-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #F59E0B, transparent);
    bottom: -100px; right: 10%;
    opacity: 0.25;
}

.blob-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, #8B5CF6, transparent);
    top: 30%; right: -80px;
    opacity: 0.3;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 460px;
    gap: 64px;
    align-items: center;
    padding: 80px 28px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245,158,11,0.15);
    border: 1px solid rgba(245,158,11,0.3);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.badge-dot {
    width: 7px; height: 7px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.08;
    margin-bottom: 22px;
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    max-width: 500px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-stat strong {
    display: block;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
}

.hero-stat span {
    display: block;
    color: rgba(255,255,255,0.45);
    font-size: 0.78rem;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(255,255,255,0.12);
}

/* Phone Mockup */
.hero-visual { display: flex; justify-content: center; }

.phone-mockup {
    position: relative;
    width: 260px;
}

.phone-screen {
    background: #fff;
    border-radius: 36px;
    padding: 20px 16px 12px;
    box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 2px rgba(255,255,255,0.08);
    border: 8px solid #1e293b;
    position: relative;
    z-index: 2;
}

.phone-glow {
    position: absolute;
    inset: 10px;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    border-radius: 36px;
    filter: blur(32px);
    opacity: 0.4;
    z-index: 1;
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.screen-logo {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--primary);
}

.screen-cart { color: var(--text-muted); }

.screen-search {
    background: var(--bg);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.72rem;
    color: #94a3b8;
    margin-bottom: 12px;
}

.screen-cats {
    display: flex;
    gap: 6px;
    margin-bottom: 14px;
    overflow: hidden;
}

.cat {
    font-size: 0.65rem;
    padding: 4px 10px;
    border-radius: 20px;
    background: var(--bg);
    color: var(--text-muted);
    white-space: nowrap;
    font-weight: 600;
}

.cat.active {
    background: var(--primary);
    color: #fff;
}

.screen-products {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
}

.screen-product {
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg);
}

.prod-img {
    height: 56px;
    width: 100%;
}

.prod-info {
    padding: 6px 7px;
}

.prod-name {
    display: block;
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

.prod-price {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--primary);
}

.screen-nav {
    display: flex;
    justify-content: space-around;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    color: #94a3b8;
}

.screen-nav svg:first-child { color: var(--primary); }

/* ---- ABOUT ---- */
#about {
    background: var(--white);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-text h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 16px;
    font-size: 0.97rem;
    line-height: 1.75;
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.tag {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 22px;
    border-radius: var(--radius);
    border: 1px solid transparent;
}

.about-card strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}

.about-card p {
    font-size: 0.88rem;
    margin: 0;
}

.card-teal {
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
    border-color: #BBF7D0;
}

.card-orange {
    background: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 100%);
    border-color: #FED7AA;
}

.card-purple {
    background: linear-gradient(135deg, #FAF5FF 0%, #EDE9FE 100%);
    border-color: #DDD6FE;
}

.ac-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-teal .ac-icon { background: #DCFCE7; color: var(--green); }
.card-orange .ac-icon { background: #FFEDD5; color: var(--orange); }
.card-purple .ac-icon { background: #EDE9FE; color: var(--purple); }

/* ---- MISSION & VISION ---- */
.mission-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 60%, #0F172A 100%);
    padding: 96px 0;
}

.mission-bg {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.mv-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.mv-card {
    padding: 44px 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.07);
    backdrop-filter: blur(8px);
}

.mission-card {
    background: linear-gradient(135deg, rgba(37,99,235,0.2) 0%, rgba(79,70,229,0.15) 100%);
    border-color: rgba(37,99,235,0.25);
}

.vision-card {
    background: linear-gradient(135deg, rgba(245,158,11,0.15) 0%, rgba(249,115,22,0.1) 100%);
    border-color: rgba(245,158,11,0.2);
}

.mv-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.mission-card .mv-icon {
    background: rgba(37,99,235,0.25);
    color: #60A5FA;
}

.vision-card .mv-icon {
    background: rgba(245,158,11,0.2);
    color: var(--accent);
}

.mv-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.mission-card .mv-label { color: #60A5FA; }
.vision-card .mv-label { color: var(--accent); }

.mv-card h3 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.mv-card p {
    color: rgba(255,255,255,0.65);
    font-size: 0.97rem;
    line-height: 1.75;
}

/* ---- FEATURES ---- */
#features { background: var(--bg); }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.fi-blue   { background: #EFF6FF; color: var(--primary); }
.fi-orange { background: #FFF7ED; color: var(--orange); }
.fi-green  { background: #F0FDF4; color: var(--green); }
.fi-purple { background: #FAF5FF; color: var(--purple); }
.fi-red    { background: #FEF2F2; color: var(--red); }
.fi-teal   { background: #F0FDFA; color: var(--teal); }

.feature-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.feature-card p {
    font-size: 0.9rem;
    line-height: 1.65;
    margin: 0;
}

/* ---- SELLERS ---- */
#sellers {
    background: var(--white);
}

.sellers-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}

.sellers-info h2 {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.sellers-info > p {
    font-size: 0.97rem;
    line-height: 1.72;
    margin-bottom: 28px;
}

.sellers-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 32px;
}

.sellers-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.93rem;
    color: var(--text);
    font-weight: 500;
}

.sellers-list li:last-child { border-bottom: none; }

.sl-icon {
    width: 28px;
    height: 28px;
    background: #DCFCE7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green);
    flex-shrink: 0;
}

.sellers-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    padding: 28px 24px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.sc-number {
    font-size: 2.6rem;
    font-weight: 900;
    display: block;
    margin-bottom: 6px;
    line-height: 1;
}

.sc-label {
    font-size: 0.8rem;
    font-weight: 500;
}

.sc-primary { background: linear-gradient(135deg, #EFF6FF, #DBEAFE); color: var(--primary); }
.sc-primary .sc-label { color: #3B82F6; }

.sc-accent { background: linear-gradient(135deg, #FFFBEB, #FEF3C7); color: var(--accent-dark); }
.sc-accent .sc-label { color: #D97706; }

.sc-dark { background: linear-gradient(135deg, #F8FAFC, #F1F5F9); color: var(--dark); }
.sc-dark .sc-label { color: var(--text-muted); }

.sc-green { background: linear-gradient(135deg, #F0FDF4, #DCFCE7); color: #059669; }
.sc-green .sc-label { color: #10B981; }

/* ---- DOWNLOAD ---- */
.download-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1E1B4B 0%, #312E81 40%, #1E3A5F 100%);
    padding: 96px 0;
    text-align: center;
}

.download-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(37,99,235,0.3), transparent 70%);
    pointer-events: none;
}

.download-inner {
    position: relative;
    max-width: 620px;
    margin: 0 auto;
}

.download-inner h2 {
    color: #fff;
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-inner > p {
    color: rgba(255,255,255,0.65);
    font-size: 1rem;
    line-height: 1.72;
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 14px 24px;
    border-radius: var(--radius);
    border: 1.5px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(8px);
    color: #fff;
    transition: background 0.2s, transform 0.15s;
    min-width: 180px;
}

.store-btn:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-2px);
}

.store-apple { border-color: rgba(255,255,255,0.2); }
.store-google { border-color: rgba(16,185,129,0.4); }
.store-google svg { color: var(--green); }

.store-text { text-align: left; }

.store-sub {
    display: block;
    font-size: 0.68rem;
    color: rgba(255,255,255,0.55);
    font-weight: 500;
}

.store-name {
    display: block;
    font-size: 1rem;
    font-weight: 700;
}

.download-note {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.35);
}

/* ---- CONTACT ---- */
#contact {
    background: var(--bg);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 48px;
    align-items: start;
}

.contact-form {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 7px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    background: #fff;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-success {
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    color: #15803D;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 14px;
}

.contact-aside {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.contact-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.contact-item:last-child { border-bottom: none; padding-bottom: 0; }

.ci-icon {
    width: 38px;
    height: 38px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.88rem;
    margin: 0;
}

.social-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
}

.social-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 42px;
    height: 42px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: background 0.2s, color 0.2s, transform 0.15s;
}

.social-link:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* ---- FOOTER ---- */
footer {
    background: var(--dark);
    padding: 60px 0 32px;
    color: rgba(255,255,255,0.55);
}

.footer-top {
    text-align: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 10px;
}

.footer-top p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.4);
    max-width: 400px;
    margin: 0 auto;
}

.footer-mid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    margin-bottom: 28px;
}

.footer-col h4 {
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.45);
    font-size: 0.88rem;
    padding: 4px 0;
    transition: color 0.2s;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
    transition: color 0.2s;
}

.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* ---- RESPONSIVE ---- */
@media (max-width: 960px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

    .hero-title { font-size: 2.8rem; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { order: -1; }

    .about-layout { grid-template-columns: 1fr; gap: 40px; }

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

    .features-grid { grid-template-columns: repeat(2, 1fr); }

    .sellers-layout { grid-template-columns: 1fr; gap: 40px; }

    .contact-layout { grid-template-columns: 1fr; }

    .footer-mid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    section { padding: 64px 0; }

    .hero-title { font-size: 2.2rem; }

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

    .form-row { grid-template-columns: 1fr; }

    .sellers-stats { grid-template-columns: 1fr 1fr; }

    .footer-mid { grid-template-columns: 1fr; }

    .footer-bottom { flex-direction: column; text-align: center; }

    nav { display: none; }
    .btn-header { display: none; }
    .nav-toggle { display: flex; }

    nav.open {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-2);
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: 12px 0;
    }

    nav.open ul {
        flex-direction: column;
        gap: 0;
        padding: 0 20px;
    }

    nav.open ul li a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .download-buttons { flex-direction: column; align-items: center; }
}