/* =========================================
   SPEAKING.MARKETING — Base Design System
   Fonts: Syne (display) + Plus Jakarta Sans (body)
   Theme: Light (default) / Dark
   ========================================= */

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* --- Theme: Light (Default) --- */
:root, [data-theme="light"] {
    --bg-primary: #FAFAF8;
    --bg-secondary: #F0EDE6;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F7F5F0;
    --text-primary: #1A1A2E;
    --text-secondary: #6B6B7B;
    --text-muted: #9B9BAF;
    --accent: #6C3CE9;
    --accent-hover: #5A2BD4;
    --accent-light: rgba(108, 60, 233, 0.1);
    --accent-secondary: #E93C6C;
    --accent-tertiary: #F59E0B;
    --gradient-primary: linear-gradient(135deg, #6C3CE9, #E93C6C);
    --gradient-mesh: linear-gradient(135deg, #6C3CE9 0%, #E93C6C 50%, #F59E0B 100%);
    --gradient-text: linear-gradient(135deg, #6C3CE9, #E93C6C, #F59E0B);
    --border-color: rgba(26, 26, 46, 0.08);
    --border-hover: rgba(26, 26, 46, 0.15);
    --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
    --shadow-md: 0 8px 32px rgba(26, 26, 46, 0.08);
    --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.12);
    --shadow-glow: 0 0 40px rgba(108, 60, 233, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --nav-bg: rgba(250, 250, 248, 0.85);
    --float-color-1: rgba(108, 60, 233, 0.15);
    --float-color-2: rgba(233, 60, 108, 0.12);
    --float-color-3: rgba(245, 158, 11, 0.1);
}

/* --- Theme: Dark --- */
[data-theme="dark"] {
    --bg-primary: #0A0A0F;
    --bg-secondary: #14141F;
    --bg-card: #1A1A2E;
    --bg-card-hover: #22223A;
    --text-primary: #F0EDE6;
    --text-secondary: #9B9BAF;
    --text-muted: #6B6B7B;
    --accent: #8B5CF6;
    --accent-hover: #7C3AED;
    --accent-light: rgba(139, 92, 246, 0.15);
    --accent-secondary: #F472B6;
    --accent-tertiary: #FBBF24;
    --gradient-primary: linear-gradient(135deg, #8B5CF6, #F472B6);
    --gradient-mesh: linear-gradient(135deg, #8B5CF6 0%, #6366F1 50%, #22D3EE 100%);
    --gradient-text: linear-gradient(135deg, #8B5CF6, #F472B6, #FBBF24);
    --border-color: rgba(240, 237, 230, 0.08);
    --border-hover: rgba(240, 237, 230, 0.15);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.25);
    --glass-bg: rgba(20, 20, 31, 0.7);
    --glass-border: rgba(240, 237, 230, 0.08);
    --nav-bg: rgba(10, 10, 15, 0.85);
    --float-color-1: rgba(139, 92, 246, 0.2);
    --float-color-2: rgba(244, 114, 182, 0.15);
    --float-color-3: rgba(34, 211, 238, 0.12);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
}
h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { color: var(--text-secondary); font-size: 1.05rem; }

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
    display: inline-block;
}

/* --- Layout --- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; position: relative; }
.section--alt { background-color: var(--bg-secondary); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.text-center { text-align: center; }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-header p { margin-top: 1rem; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .container { padding: 0 1.25rem; }
    .section { padding: 4rem 0; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}