/* =========================================================
   Halghamdi — Enterprise Theme
   Professional, trustworthy, accessible.
   ========================================================= */

:root {
    /* Brand palette — deep navy + refined gold */
    --brand-navy: #0A2540;
    --brand-navy-600: #12365B;
    --brand-navy-900: #071A30;
    --brand-gold: #C9A961;
    --brand-gold-dark: #A88A42;
    --brand-ivory: #FBF9F5;
    --brand-slate: #4A5568;

    /* Semantic — Light */
    --color-bg: #FAFAF9;
    --color-bg-alt: #F5F1EA;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F8F9FB;
    --color-text-main: #0A2540;
    --color-text-muted: #4A5568;
    --color-text-subtle: #6B7280;
    --color-primary: #0A2540;
    --color-primary-hover: #12365B;
    --color-accent: #B08A3E;
    --color-accent-hover: #C9A961;
    --color-border: #E5E7EB;
    --color-border-strong: #D1D5DB;
    --color-error: #DC2626;
    --color-success: #16A34A;
    --color-focus: rgba(201, 169, 97, 0.45);

    /* Typographic scale */
    --font-ar: 'Cairo', system-ui, -apple-system, sans-serif;
    --font-en-head: 'Playfair Display', Georgia, serif;
    --font-en-body: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing (8pt scale) */
    --spacing-xxs: 0.25rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-pill: 999px;

    /* Shadows (soft, enterprise) */
    --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
    --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 20px 40px -12px rgba(10, 37, 64, 0.18);
    --shadow-xl: 0 30px 60px -15px rgba(10, 37, 64, 0.25);

    /* Motion */
    --ease: cubic-bezier(.4, 0, .2, 1);
    --transition-fast: 180ms var(--ease);
    --transition-medium: 300ms var(--ease);

    /* Layout */
    --container-max: 1200px;
    --nav-height: 72px;
}

[data-theme="dark"] {
    --color-bg: #071A30;
    --color-bg-alt: #0A2540;
    --color-surface: #0F2B47;
    --color-surface-alt: #12365B;
    --color-text-main: #F3F4F6;
    --color-text-muted: #C3CCD8;
    --color-text-subtle: #94A3B8;
    --color-primary: #F3F4F6;
    --color-primary-hover: #FFFFFF;
    --color-accent: #C9A961;
    --color-accent-hover: #E0C07A;
    --color-border: #1E3A5F;
    --color-border-strong: #2A4876;
    --color-focus: rgba(201, 169, 97, 0.5);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 30px 60px -15px rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    transition: background-color var(--transition-medium), color var(--transition-medium);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

::selection {
    background-color: var(--brand-gold);
    color: var(--brand-navy);
}

/* -------------------- Typography -------------------- */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-main);
    letter-spacing: -0.015em;
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem); }
h3 { font-size: clamp(1.15rem, 1vw + 0.9rem, 1.4rem); }
h4 { font-size: 1.05rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover { color: var(--color-accent-hover); }
a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

strong { color: var(--color-text-main); font-weight: 600; }
ul, ol { color: var(--color-text-muted); }

/* Language fonts */
html[lang="en"] body { font-family: var(--font-en-body); }
html[lang="en"] h1,
html[lang="en"] h2,
html[lang="en"] h3 {
    font-family: var(--font-en-head);
}
html[lang="ar"] body { font-family: var(--font-ar); }
html[lang="ar"] h1,
html[lang="ar"] h2,
html[lang="ar"] h3,
html[lang="ar"] h4 { font-family: var(--font-ar); font-weight: 700; }

[dir="rtl"] { text-align: right; }
[dir="ltr"] { text-align: left; }

/* -------------------- Skip link (a11y) -------------------- */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--brand-navy);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: 2000;
    transition: top var(--transition-fast);
}
.skip-link:focus { top: 12px; color: #fff; }

/* -------------------- Layout -------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

.section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-alt { background-color: var(--color-surface-alt); }
.section-accent {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    font-family: var(--font-en-body);
}
html[lang="ar"] .eyebrow { font-family: var(--font-ar); letter-spacing: 0.05em; }

.section-title {
    position: relative;
    margin-bottom: var(--spacing-md);
}
.section-title::after {
    content: "";
    display: block;
    width: 48px;
    height: 3px;
    background: var(--color-accent);
    border-radius: var(--radius-pill);
    margin-top: 0.75rem;
}
[dir="rtl"] .section-title::after { margin-right: 0; }

/* -------------------- Buttons -------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1.5px solid transparent;
    white-space: nowrap;
    line-height: 1.2;
    letter-spacing: 0.01em;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background-color: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.btn-accent:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline {
    border-color: var(--color-border-strong);
    color: var(--color-text-main);
    background-color: transparent;
}
.btn-outline:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-main);
    border-color: transparent;
}
.btn-ghost:hover { color: var(--color-accent); background: var(--color-surface-alt); }

.btn-sm { padding: 0.55rem 1rem; font-size: 0.85rem; }

/* -------------------- Navbar -------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: color-mix(in srgb, var(--color-bg) 85%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-medium), background var(--transition-medium);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
}

.nav-logo {
    font-weight: 700;
    font-size: 1.15rem;
    font-family: var(--font-en-head);
    letter-spacing: 0.02em;
    color: var(--color-text-main);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}
.nav-logo:hover { color: var(--color-accent); }
.nav-logo .logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-gold) 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-en-head);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0;
}
html[lang="ar"] .nav-logo { font-family: var(--font-ar); }

.nav-links {
    display: flex;
    gap: clamp(0.75rem, 1.5vw, 1.75rem);
    align-items: center;
}

.nav-links > a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}
.nav-links > a:hover { color: var(--color-text-main); }
.nav-links > a[aria-current="page"] {
    color: var(--color-text-main);
    font-weight: 600;
}
.nav-links > a[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-pill);
}

.lang-switch {
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-main) !important;
}
.lang-switch:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff !important; }

.theme-toggle {
    background: transparent;
    border: 1px solid var(--color-border-strong);
    padding: 0.45rem 0.6rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    color: var(--color-text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1rem;
    line-height: 1;
}
.theme-toggle:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    color: var(--color-text-main);
    font-size: 1.25rem;
    line-height: 1;
}

/* -------------------- Hero -------------------- */
.hero {
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--nav-height) + 2rem);
    padding-bottom: var(--spacing-lg);
    position: relative;
    background:
        radial-gradient(circle at 15% 0%, color-mix(in srgb, var(--brand-gold) 10%, transparent) 0%, transparent 55%),
        radial-gradient(circle at 90% 100%, color-mix(in srgb, var(--brand-navy) 8%, transparent) 0%, transparent 55%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 64px 64px;
    opacity: 0.25;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}

.hero-text h1 {
    margin-bottom: 1rem;
}
.hero-text .subtitle {
    display: inline-block;
    font-size: 0.95rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.4rem 0.9rem;
    border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
    border-radius: var(--radius-pill);
    background: color-mix(in srgb, var(--color-accent) 8%, transparent);
}
.hero-text p.lede {
    font-size: 1.1rem;
    max-width: 58ch;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}
.hero-proof .proof-item { display: flex; flex-direction: column; }
.hero-proof .proof-num {
    font-family: var(--font-en-head);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1;
}
html[lang="ar"] .hero-proof .proof-num { font-family: var(--font-ar); }
.hero-proof .proof-label {
    font-size: 0.8rem;
    color: var(--color-text-subtle);
    margin-top: 0.35rem;
    letter-spacing: 0.03em;
}

.hero-image {
    position: relative;
}
.hero-image .image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
    max-width: 440px;
    margin-inline: auto;
}
.hero-image .image-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(10, 37, 64, 0.25) 100%);
    pointer-events: none;
}
.hero-image .image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms var(--ease);
}
.hero-image:hover .image-frame img { transform: scale(1.03); }

.hero-image .accent-block {
    position: absolute;
    inset: 18px -18px -18px 18px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    z-index: -1;
}
[dir="rtl"] .hero-image .accent-block { inset: 18px 18px -18px -18px; }

/* -------------------- Cards -------------------- */
.card {
    background-color: var(--color-surface);
    color: var(--color-text-main);
    padding: clamp(1.25rem, 2vw, 1.75rem);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
}

.card h3, .card h4 { margin-bottom: 0.5rem; color: var(--color-text-main); }
.card p, .card li { color: var(--color-text-muted); }
.card p { margin-bottom: 0; }
.card p + p, .card p + ul, .card ul + p, .card h3 + p, .card h4 + p { margin-top: 0.75rem; }
.card ul { padding-inline-start: 1.2rem; margin: 0.5rem 0 0; }
.card ul li { margin-bottom: 0.4rem; }

.card-accent {
    border-top: 3px solid var(--color-accent);
}

.card-feature {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.card-feature .icon-square {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: color-mix(in srgb, var(--color-accent) 14%, transparent);
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-en-head);
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.tag, .cert-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.7rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border-strong);
    background-color: var(--color-surface-alt);
    color: var(--color-text-main);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.tag-accent, .cert-badge {
    color: var(--color-accent);
    background-color: color-mix(in srgb, var(--color-accent) 8%, transparent);
    border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.cert-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* -------------------- Timeline (experience) -------------------- */
.timeline { position: relative; padding-inline-start: 0; list-style: none; }
.timeline-item {
    position: relative;
    padding: 1.5rem clamp(1.25rem, 2vw, 1.75rem);
    background: var(--color-surface);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    transition: all var(--transition-fast);
}
.timeline-item li { color: var(--color-text-muted); }
.timeline-item:hover { box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-border)); }
.timeline-item h3 { margin-bottom: 0.2rem; }
.timeline-item .role-meta {
    font-size: 0.85rem;
    color: var(--color-text-subtle);
    letter-spacing: 0.02em;
    margin-bottom: 0.9rem;
    display: block;
}

/* -------------------- Forms -------------------- */
.form-group { margin-bottom: var(--spacing-sm); }
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-main);
}
.form-input, .form-textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    color: var(--color-text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-focus);
}
.form-textarea { resize: vertical; min-height: 120px; }

/* -------------------- Footer -------------------- */
.footer {
    background-color: var(--brand-navy-900);
    color: #E5E7EB;
    padding: var(--spacing-lg) 0 2rem;
    margin-top: var(--spacing-xl);
    border-top: 3px solid var(--color-accent);
    text-align: start;
}
[data-theme="dark"] .footer { background-color: #040F1E; }
.footer h4 { color: #fff; margin-bottom: 1rem; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.12em; font-family: var(--font-en-body); }
html[lang="ar"] .footer h4 { font-family: var(--font-ar); }
.footer p, .footer a, .footer li { color: #C3CCD8; }
.footer a:hover { color: var(--brand-gold); }
.footer ul { list-style: none; padding: 0; }
.footer ul li { margin-bottom: 0.5rem; font-size: 0.92rem; }

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-brand p { font-size: 0.92rem; margin-top: 0.75rem; max-width: 36ch; }
.footer-brand .nav-logo { color: #fff; }
.footer-brand .nav-logo:hover { color: var(--brand-gold); }

.social-row {
    display: flex;
    gap: 0.6rem;
    margin-top: 1.1rem;
}
.social-row a {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    transition: all var(--transition-fast);
}
.social-row a:hover {
    background: var(--brand-gold);
    border-color: var(--brand-gold);
    color: var(--brand-navy);
    transform: translateY(-2px);
}
.social-row svg { width: 18px; height: 18px; fill: currentColor; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: #A0AEC0;
}
.footer-bottom a { color: #C3CCD8; }

/* -------------------- Insights -------------------- */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}
.insight-card {
    background: var(--color-surface);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: clamp(1.25rem, 2vw, 1.75rem);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all var(--transition-fast);
    position: relative;
}
.insight-card p { color: var(--color-text-muted); }
.insight-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border)); }
.insight-card .insight-eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
}
.insight-card h3 { font-size: 1.15rem; margin: 0; }
.insight-card p { margin: 0; font-size: 0.95rem; }
.insight-card .read-more {
    margin-top: auto;
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
}

/* -------------------- Utility -------------------- */
.text-center { text-align: center; }
.muted { color: var(--color-text-muted); }
.max-prose { max-width: 68ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-top: 1.5rem; }

/* -------------------- Animations -------------------- */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 80ms; }
.fade-up:nth-child(3) { transition-delay: 160ms; }
.fade-up:nth-child(4) { transition-delay: 220ms; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .fade-up { opacity: 1; transform: none; }
}

/* -------------------- Responsive -------------------- */
@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-image { max-width: 360px; margin: 0 auto; }
    .hero-text .subtitle { margin-inline: auto; }
    .hero-proof { justify-content: center; }
    .hero-actions { justify-content: center; }
    .hero-text p.lede { margin-inline: auto; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.5rem 1.5rem;
        gap: 0.35rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }
    .nav-links.active { display: flex; }
    .nav-links > a {
        padding: 0.75rem 0.25rem;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links > a:last-of-type { border-bottom: none; }
    .nav-links > a[aria-current="page"]::after { display: none; }
    .nav-toggle { display: inline-flex; }

    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-proof { gap: 1rem 1.25rem; }
    .hero-proof .proof-num { font-size: 1.4rem; }
    .btn { padding: 0.75rem 1.25rem; font-size: 0.9rem; }
}

/* Print — keep it clean for recruiters */
@media print {
    .navbar, .footer, .theme-toggle, .nav-toggle, .lang-switch, .hero-actions { display: none !important; }
    .hero { min-height: auto; padding-top: 1rem; }
    body { background: #fff; color: #000; }
    .card { box-shadow: none; border-color: #ccc; }
}