/* ── F-One Studio — Design System ────────────────────────────────────────── */
:root {
    /* Colors */
    --gold:        #E8A020;
    --gold-dk:     #C4861A;
    --gold-lt:     #F5C04A;
    --black:       #0A0A0F;
    --dark:        #111118;
    --dark-2:      #1A1A26;
    --white:       #FFFFFF;
    --off-white:   #F8F8FA;
    --gray-50:     #F9FAFB;
    --gray-100:    #F3F4F6;
    --gray-200:    #E5E7EB;
    --gray-400:    #9CA3AF;
    --gray-600:    #4B5563;
    --gray-800:    #1F2937;
    --text:        #111111;
    --text-muted:  #6B7280;
    --purple:      #7C3AED;
    --purple-lt:   #EDE9FE;

    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body:    'DM Sans', sans-serif;

    /* Spacing */
    --section-py:  96px;
    --container:   1200px;
    --radius:      12px;
    --radius-lg:   20px;
    --radius-xl:   32px;

    /* Shadows */
    --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);
    --shadow-lg:  0 12px 40px rgba(0,0,0,.12);
    --shadow-xl:  0 24px 64px rgba(0,0,0,.16);
    --shadow-gold:0 8px 32px rgba(232,160,32,.25);

    /* Transitions */
    --ease:       cubic-bezier(.4,0,.2,1);
    --duration:   .2s;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font-body); }
ul, ol { list-style: none; }
input, textarea, select { font-family: var(--font-body); }

/* ── Container ───────────────────────────────────────────────────────────── */
.fone-container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.fone-container--narrow { max-width: 840px; }
.fone-container--wide   { max-width: 1400px; }

/* ── Section ─────────────────────────────────────────────────────────────── */
.fone-section {
    padding: var(--section-py) 0;
}
.fone-section--dark {
    background: var(--dark);
    color: var(--white);
}
.fone-section--black {
    background: var(--black);
    color: var(--white);
}
.fone-section--gray {
    background: var(--off-white);
}
.fone-section--gold-gradient {
    background: linear-gradient(135deg, #1A1A0A 0%, #2A1F00 50%, #0A0A1A 100%);
    color: var(--white);
}

/* ── Section Header ──────────────────────────────────────────────────────── */
.fone-section-header {
    text-align: center;
    margin-bottom: 56px;
}
.fone-section-header--left { text-align: left; }
.fone-section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 12px;
}
.fone-section-eyebrow::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: var(--gold);
    border-radius: 1px;
}
.fone-section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1;
    letter-spacing: 1px;
    color: inherit;
    margin-bottom: 16px;
}
.fone-section--dark .fone-section-title,
.fone-section--black .fone-section-title { color: #FFFFFF; }
.fone-section-subtitle {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}
.fone-section--dark .fone-section-subtitle,
.fone-section--black .fone-section-subtitle { color: rgba(255,255,255,.6); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.fone-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .3px;
    border: 2px solid transparent;
    transition: all var(--duration) var(--ease);
    white-space: nowrap;
    cursor: pointer;
}
.fone-btn svg { flex-shrink: 0; }

.fone-btn--primary {
    background: var(--gold);
    color: var(--black);
    border-color: var(--gold);
    box-shadow: var(--shadow-gold);
}
.fone-btn--primary:hover {
    background: var(--gold-dk);
    border-color: var(--gold-dk);
    transform: translateY(-1px);
    box-shadow: 0 12px 40px rgba(232,160,32,.35);
}

.fone-btn--outline {
    background: transparent;
    color: var(--black);
    border-color: var(--gray-200);
}
.fone-btn--outline:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.fone-btn--outline-white {
    background: transparent;
    color: #FFFFFF;
    border-color: rgba(255,255,255,.3);
}
.fone-btn--outline-white:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.fone-btn--dark {
    background: var(--dark);
    color: #FFFFFF;
    border-color: var(--dark);
}
.fone-btn--dark:hover {
    background: var(--dark-2);
    transform: translateY(-1px);
}
/* In dark mode, invert btn--dark to look like a light outline button */
[data-theme="dark"] .fone-btn--dark {
    background: rgba(255,255,255,.08);
    color: #FFFFFF;
    border-color: rgba(255,255,255,.2);
}
[data-theme="dark"] .fone-btn--dark:hover {
    background: rgba(255,255,255,.14);
    border-color: var(--gold);
    color: var(--gold);
}
@media (prefers-color-scheme: dark) {
    .fone-btn--dark { background: rgba(255,255,255,.08); color: #FFFFFF; border-color: rgba(255,255,255,.2); }
    .fone-btn--dark:hover { background: rgba(255,255,255,.14); border-color: var(--gold); color: var(--gold); }
}

.fone-btn--lg { padding: 18px 36px; font-size: 15px; }
.fone-btn--sm { padding: 10px 20px; font-size: 13px; }
.fone-btn--icon {
    width: 44px; height: 44px;
    padding: 0; border-radius: 50%;
}
.fone-btn--icon-sm { width: 36px; height: 36px; }

/* ── Cards ───────────────────────────────────────────────────────────────── */
.fone-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
}
.fone-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-200);
}
.fone-card--dark {
    background: var(--dark-2);
    border-color: rgba(255,255,255,.08);
    color: var(--white);
}
.fone-card--dark:hover { border-color: var(--gold); }

/* ── Badge ───────────────────────────────────────────────────────────────── */
.fone-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.fone-badge--gold { background: rgba(232,160,32,.12); color: var(--gold); border: 1px solid rgba(232,160,32,.25); }
.fone-badge--dark { background: var(--dark); color: var(--white); }
.fone-badge--white { background: rgba(255,255,255,.15); color: var(--white); }

/* ── Grid ────────────────────────────────────────────────────────────────── */
.fone-grid { display: grid; gap: 24px; }
.fone-grid--2 { grid-template-columns: repeat(2, 1fr); }
.fone-grid--3 { grid-template-columns: repeat(3, 1fr); }
.fone-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ── Divider ─────────────────────────────────────────────────────────────── */
.fone-divider {
    width: 60px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
    margin: 16px auto 0;
}
.fone-divider--left { margin: 16px 0 0; }

/* ── Tag ─────────────────────────────────────────────────────────────────── */
.fone-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px;
    background: rgba(232,160,32,.1);
    color: var(--gold);
    border: 1px solid rgba(232,160,32,.2);
}

/* ── View All Link ───────────────────────────────────────────────────────── */
.fone-view-all {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gold);
    transition: gap var(--duration) var(--ease);
}
.fone-view-all:hover { gap: 10px; }
.fone-view-all svg { transition: transform var(--duration) var(--ease); }
.fone-view-all:hover svg { transform: translateX(3px); }

/* ── Number stat ─────────────────────────────────────────────────────────── */
.fone-stat-num {
    font-family: var(--font-display);
    font-size: 48px;
    line-height: 1;
    color: var(--gold);
}
.fone-stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ── Responsive utilities ────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    :root { --section-py: 72px; }
    .fone-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    :root { --section-py: 56px; }
    .fone-grid--2,
    .fone-grid--3,
    .fone-grid--4 { grid-template-columns: 1fr; }
    .fone-container { padding: 0 16px; }
}

/* ── Dark Mode Variables ─────────────────────────────────────────────────── */
[data-theme="dark"] {
    --white:      #0A0A0F;
    --off-white:  #0F0F18;
    --gray-50:    #111118;
    --gray-100:   #1A1A26;
    --gray-200:   rgba(255,255,255,.08);
    --gray-400:   rgba(255,255,255,.4);
    --gray-600:   rgba(255,255,255,.6);
    --gray-800:   rgba(255,255,255,.9);
    --text:       #FFFFFF;
    --text-muted: rgba(255,255,255,.55);
    --shadow-sm:  0 1px 3px rgba(0,0,0,.4);
    --shadow:     0 4px 16px rgba(0,0,0,.4);
    --shadow-lg:  0 12px 40px rgba(0,0,0,.5);
    --shadow-xl:  0 24px 64px rgba(0,0,0,.6);
}

[data-theme="dark"] body {
    background: #0A0A0F;
    color: #FFFFFF;
}

[data-theme="dark"] .fone-card {
    background: #1A1A26;
    border-color: rgba(255,255,255,.08);
}

[data-theme="dark"] .fone-section--gray {
    background: #111118;
}

[data-theme="dark"] .fone-btn--outline {
    color: #FFFFFF;
    border-color: rgba(255,255,255,.2);
}
[data-theme="dark"] .fone-btn--outline:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* ── Theme Toggle Button ─────────────────────────────────────────────────── */
.fone-theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--gray-200);
    background: var(--gray-50);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    flex-shrink: 0;
}
.fone-theme-toggle:hover {
    border-color: var(--gold);
    color: var(--gold);
}
.fone-theme-toggle .icon-sun  { display: none; }
.fone-theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .fone-theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .fone-theme-toggle .icon-moon { display: none; }

/* ── Smooth theme transition ─────────────────────────────────────────────── */
body, body * {
    transition: background-color .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
/* But not transforms or opacity */
a, button, .fone-btn, .fone-card {
    transition: background-color .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease),
                transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), opacity var(--duration) var(--ease);
}