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

:root {
    --bg: #EEF0F8;
    --bg-card: #FFFFFF;
    --bg-sidebar: #F8F9FC;
    --accent: #5B6CF9;
    --accent2: #8B5CF6;
    --accent-light: #EEF0FD;
    --text: #1A1D2E;
    --text-muted: #6B7280;
    --text-faint: #9CA3AF;
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --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(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.1), 0 4px 16px rgba(0,0,0,0.06);
    --radius: 14px;
    --radius-sm: 8px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-shrink: 0;
}

.logo-icon {
    width: 30px; height: 30px;
    border-radius: 8px;
    background: var(--accent-light);
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(91,108,249,0.15);
}
.logo-icon.small {
    width: 22px; height: 22px;
    border-radius: 5px;
}

.logo-text {
    font-size: 17px;
    font-weight: 900;
    color: var(--text);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 7px;
    transition: all .18s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link:hover { color: var(--accent); background: rgba(91,108,249,0.08); transform: translateY(-1px); }
.nav-link.active { color: var(--text); font-weight: 600; }
.nav-link.premium { color: var(--accent); font-weight: 600; }

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.lang-pill {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 5px 10px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    cursor: pointer;
    transition: border-color .18s;
}
.lang-pill:hover { border-color: #ccc; }

.btn-login {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 7px 14px;
    border-radius: 7px;
    transition: all .18s;
}
.btn-login:hover { color: var(--text); background: rgba(0,0,0,0.04); }

.btn-signup {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    padding: 7px 18px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 2px 8px rgba(91,108,249,0.3);
    transition: all .2s;
}
.btn-signup:hover { box-shadow: 0 4px 16px rgba(91,108,249,0.4); transform: translateY(-1px); }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}
.hamburger span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: .3s;
}

/* === MOBILE MENU === */
.mobile-menu {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 20px;
    flex-direction: column;
    gap: 4px;
    z-index: 99;
    box-shadow: var(--shadow-md);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 10px 12px;
    border-radius: 8px;
    transition: background .15s;
}
.mobile-menu a:hover { background: var(--bg); color: var(--text); }
.mobile-menu a.premium { color: var(--accent); }
.mobile-menu-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.mobile-menu-actions .btn-login, .mobile-menu-actions .btn-signup { flex: 1; text-align: center; }

/* === HERO === */
.hero {
    padding: 100px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    opacity: 0.35;
}
.orb-left {
    width: 500px; height: 500px;
    background: rgba(91,108,249,0.25);
    top: -100px; left: -150px;
}
.orb-right {
    width: 400px; height: 400px;
    background: rgba(139,92,246,0.2);
    top: 0; right: -100px;
}

.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content { padding-top: 16px; }

.hero-heading {
    font-size: clamp(36px, 4.5vw, 56px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -2px;
    color: var(--text);
    margin-bottom: 20px;
}

.accent {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 400px;
}

.hero-cta {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.btn-upload {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    padding: 12px 24px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 4px 16px rgba(91,108,249,0.35);
    transition: all .2s;
}
.btn-upload:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(91,108,249,0.45); }

.btn-learn {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    padding: 11px 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: all .2s;
    box-shadow: var(--shadow-sm);
}
.btn-learn:hover { color: var(--text); border-color: #ccc; }

.hero-trust {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.trust-check { display: flex; align-items: center; gap: 5px; }
.trust-dot { color: var(--text-faint); }

/* === HERO MOCKUP === */
.hero-mockup { position: relative; }

.mockup-window {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.mockup-topbar {
    height: 48px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-card);
}

.mockup-brand {
    display: flex;
    align-items: center;
    gap: 6px;
}
.mock-brand-name {
    font-size: 14px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
}

.mockup-topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mock-bell {
    width: 30px; height: 30px;
    border-radius: 8px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mock-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
}

.mockup-body {
    display: flex;
    height: 340px;
}

/* Mock Sidebar */
.mock-sidebar {
    width: 150px;
    border-right: 1px solid var(--border-light);
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--bg-sidebar);
    flex-shrink: 0;
}

.mock-upload-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    padding: 7px 10px;
    border-radius: 7px;
    margin-bottom: 8px;
    cursor: pointer;
}

.mock-nav-items {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.mock-nav-item {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    color: var(--text-muted);
    padding: 6px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background .15s;
}
.mock-nav-item:hover { background: rgba(0,0,0,0.04); color: var(--text); }
.mock-nav-item.active {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
}

.mock-storage {
    padding: 10px;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-top: 4px;
}
.mock-storage-label { font-size: 9px; font-weight: 700; color: var(--text-faint); letter-spacing: .07em; margin-bottom: 5px; }
.mock-storage-bar { height: 3px; background: var(--border); border-radius: 2px; margin-bottom: 4px; }
.mock-storage-fill { width: 24.6%; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 2px; }
.mock-storage-text { font-size: 9px; color: var(--text-muted); margin-bottom: 6px; }
.mock-upgrade-btn {
    font-size: 10px;
    font-weight: 600;
    color: var(--accent);
    text-align: center;
    padding: 5px;
    border-radius: 5px;
    background: var(--accent-light);
    cursor: pointer;
}

/* Mock Main */
.mock-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mock-main-header {
    padding: 12px 14px 10px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.mock-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}

.mock-main-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mock-search {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    color: var(--text-faint);
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 4px 8px;
    border-radius: 6px;
    cursor: text;
}

.mock-view-btns {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}
.mock-view-btn {
    width: 24px; height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--text-faint);
    cursor: pointer;
    transition: background .15s;
}
.mock-view-btn.active { background: var(--accent-light); color: var(--accent); }

.mock-more { font-size: 13px; color: var(--text-faint); cursor: pointer; padding: 0 4px; }

.mock-file-table {
    flex: 1;
    overflow: hidden;
}

.mock-table-head {
    display: grid;
    grid-template-columns: 1fr 70px 90px;
    padding: 6px 14px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-faint);
    letter-spacing: .04em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-light);
}

.mock-file-row {
    display: grid;
    grid-template-columns: 1fr 70px 90px 20px;
    padding: 8px 14px;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    transition: background .12s;
    cursor: pointer;
}
.mock-file-row:hover { background: var(--bg); }
.mock-file-row:last-child { border-bottom: none; }

.mock-file-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text);
}

.file-icon {
    width: 22px; height: 22px;
    border-radius: 5px;
    flex-shrink: 0;
}
.file-icon.folder { background: rgba(91,108,249,0.12); border: 1px solid rgba(91,108,249,0.2); }
.file-icon.folder.blue { background: rgba(91,108,249,0.1); border-color: rgba(91,108,249,0.2); }
.file-icon.folder.purple { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.2); }
.file-icon.folder.teal { background: rgba(20,184,166,0.1); border-color: rgba(20,184,166,0.2); }
.file-icon.zip { background: rgba(91,108,249,0.12); border: 1px solid rgba(91,108,249,0.2); }
.file-icon.apk { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.2); }
.file-icon.api { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.2); }

/* File card ext badge */
.ext-badge-wrap {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}
.ext-badge {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 6px 12px;
    border-radius: 7px;
}

.mock-file-size {
    font-size: 10px;
    color: var(--text-muted);
}

.mock-file-date {
    font-size: 10px;
    color: var(--text-muted);
}

.mock-file-menu {
    font-size: 13px;
    color: var(--text-faint);
    text-align: right;
    opacity: 0;
    transition: opacity .15s;
}
.mock-file-row:hover .mock-file-menu { opacity: 1; }

/* === MID SECTION === */
.mid-section {
    padding: 0 0 40px;
}

.mid-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 20px;
    align-items: start;
}

.drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 24px;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    transition: border-color .2s;
    text-align: center;
    cursor: pointer;
}
.drop-zone:hover { border-color: var(--accent); background: var(--accent-light); }

.drop-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.drop-sub {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.drop-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.premium-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.premium-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.premium-icon {
    width: 34px; height: 34px;
    border-radius: 8px;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.premium-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}

.premium-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin-bottom: 20px;
}

.premium-features li {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pf-check {
    font-size: 12px;
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
}

.btn-upgrade {
    display: block;
    width: 100%;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    border: 1.5px solid var(--accent);
    background: var(--accent-light);
    transition: all .2s;
}
.btn-upgrade:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    border-color: transparent;
}

/* === RECENT FILES === */
.recent-section {
    padding: 0 0 56px;
}

.recent-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.recent-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.3px;
}

.view-all {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    transition: opacity .2s;
}
.view-all:hover { opacity: .7; }

.files-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.file-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 14px;
    box-shadow: var(--shadow-sm);
    position: relative;
    cursor: pointer;
    transition: all .2s;
}
.file-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: #ddd; }

.file-card-thumb {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    overflow: hidden;
}

.folder-thumb { background: rgba(91,108,249,0.07); }

.img-thumb { padding: 0; }
.img-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.fig-thumb { background: #F9FAFB; }

.pdf-thumb { background: rgba(255,68,68,0.07); }
.pdf-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pdf-badge {
    font-size: 20px;
    font-weight: 900;
    color: #FF4444;
    letter-spacing: -1px;
}

.vid-thumb { padding: 0; }
.vid-preview {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,#1A1A2E,#16213E);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.vid-play {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-card-menu {
    position: absolute;
    top: 12px; right: 12px;
    font-size: 16px;
    color: var(--text-faint);
    cursor: pointer;
    opacity: 0;
    transition: opacity .15s;
}
.file-card:hover .file-card-menu { opacity: 1; }

.file-card-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 3px;
}

.file-card-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.file-card-date {
    font-size: 11px;
    color: var(--text-faint);
    margin-top: 1px;
}

/* === FEATURES STRIP === */
.features-strip {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 44px 0;
}

.features-strip-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.feature-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.feature-icon-box {
    width: 42px; height: 42px;
    border-radius: 10px;
    background: var(--accent-light);
    border: 1px solid rgba(91,108,249,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-item h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
    letter-spacing: -0.2px;
}

.feature-item p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* === FOOTER === */
.footer {
    padding: 40px 0 32px;
    background: var(--bg-card);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 0;
}

.footer-brand .nav-logo { margin-bottom: 8px; }

.footer-copy {
    font-size: 12px;
    color: var(--text-faint);
    margin-top: 8px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col h4 {
    font-size: 12px;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-bottom: 2px;
}

.footer-col a {
    font-size: 13px;
    color: var(--text-muted);
    transition: color .15s;
}
.footer-col a:hover { color: var(--text); }

.social-row {
    display: flex;
    gap: 8px;
}

.social-btn {
    width: 32px; height: 32px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-muted);
    transition: all .15s;
}
.social-btn:hover { border-color: #ccc; color: var(--text); background: var(--bg-card); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .files-grid { grid-template-columns: repeat(4, 1fr); }
    .features-strip-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .mid-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; gap: 36px; }
    .hero-mockup { display: none; }
    .hero { padding: 90px 0 48px; }
    .hero-heading { font-size: 42px; }
    .hero-sub br { display: none; }
    .files-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .nav-links, .nav-right { display: none; }
    .hamburger { display: flex; }
    .nav-inner { gap: 0; padding: 0 20px; }

    /* ── HERO ── */
    .hero { padding: 88px 0 36px; }
    .hero-inner { padding: 0 20px; }
    .hero-heading {
        font-size: 34px;
        letter-spacing: -1.2px;
        line-height: 1.15;
        margin-bottom: 14px;
    }
    .hero-sub {
        font-size: 15px;
        margin-bottom: 24px;
        line-height: 1.65;
    }
    .hero-cta { gap: 10px; flex-wrap: nowrap; }
    .btn-upload { font-size: 14px; padding: 11px 20px; white-space: nowrap; }
    .btn-learn { font-size: 14px; padding: 10px 16px; white-space: nowrap; }
    .hero-trust { font-size: 12px; gap: 6px; }

    /* ── MID SECTION ── */
    .mid-section { padding: 0 0 28px; }
    .mid-grid { grid-template-columns: 1fr; gap: 14px; }
    .premium-card { order: -1; }
    .drop-zone { padding: 28px 20px; flex-direction: row; align-items: center; text-align: left; gap: 16px; }
    .drop-zone .drop-icon { flex-shrink: 0; }
    .drop-text { font-size: 14px; }
    .drop-sub { font-size: 13px; }

    /* ── RECENT FILES ── */
    .recent-section { padding: 0 0 40px; }
    .recent-title { font-size: 17px; }
    .files-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .file-card { padding: 12px; border-radius: 12px; }
    .file-card-thumb { border-radius: 8px; }
    .file-card-name { font-size: 11px; }
    .file-card-meta { font-size: 10px; }

    /* ── FEATURES ── */
    .features-strip { padding: 32px 0; }
    .features-strip-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .feature-item { gap: 10px; }
    .feature-icon-box { width: 36px; height: 36px; flex-shrink: 0; }
    .feature-item h3 { font-size: 13px; }
    .feature-item p { font-size: 11px; }

    /* ── FOOTER ── */
    .footer { padding: 32px 0 24px; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .footer-brand { grid-column: 1 / -1; }
    .footer-col h4 { font-size: 11px; }
    .footer-col a { font-size: 12px; }
    .footer-copy { font-size: 11px; }

    /* ── CONTAINERS ── */
    .container { padding: 0 20px; }
}

@media (max-width: 480px) {
    /* ── HERO ── */
    .hero { padding: 80px 0 28px; }
    .hero-heading { font-size: 28px; letter-spacing: -1px; }
    .hero-sub { font-size: 14px; }
    .hero-cta { flex-direction: column; width: 100%; }
    .btn-upload { width: 100%; justify-content: center; }
    .btn-learn { width: 100%; justify-content: center; }

    /* ── RECENT FILES ── */
    .files-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .ext-badge { font-size: 11px; padding: 4px 8px; }

    /* ── FEATURES ── */
    .features-strip-grid { grid-template-columns: 1fr; gap: 18px; }

    /* ── FOOTER ── */
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

    /* ── DROP ZONE ── */
    .drop-zone { flex-direction: column; text-align: center; padding: 24px 16px; }

    /* ── PREMIUM CARD ── */
    .premium-card { padding: 20px; }

    /* ── NAV LOGO ── */
    .logo-text { font-size: 15px; }
}