/* =====================================================================
   6ixtony Digital — base.css
   Tokens, reset, typography, liquid-glass material, buttons, layout
   Theme: two-tone deep navy + pure off-white, Apple liquid glass
   ===================================================================== */

:root {
    /* --- Navy base palette (true navy, not near-black) --- */
    --bg-deep: #0A0F1E;     /* primary background */
    --bg-slate: #111A30;    /* lighter navy-slate for alternating sections */
    --bg-deeper: #070B16;   /* footer / deepest */
    --navy-line: #1B2745;

    /* --- Off-white / text --- */
    --white: #FFFFFF;
    --off-white: #F8FAFC;
    --text: #F8FAFC;                      /* headings */
    --text-dim: rgba(248, 250, 252, 0.66); /* body */
    --text-mute: rgba(248, 250, 252, 0.45);
    --ink: #0A0F1E;                        /* navy text on light surfaces */

    /* --- Accent (blue → teal) --- */
    --accent: #5B9BFF;
    --accent-2: #79C7F2;
    --accent-teal: #54E6CF;
    --accent-soft: rgba(91, 155, 255, 0.16);
    --accent-glow: rgba(91, 155, 255, 0.45);

    /* One shared gradient for accent text + price values */
    --grad: linear-gradient(110deg, #FFFFFF 0%, #8FD0FF 48%, #5FE6D0 100%);

    /* --- Liquid glass material --- */
    --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.055));
    --glass-bg-strong: linear-gradient(135deg, rgba(255, 255, 255, 0.17), rgba(255, 255, 255, 0.09));
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-border-bright: rgba(255, 255, 255, 0.30);
    --glass-blur: 20px;
    --glass-shadow: 0 20px 50px rgba(2, 5, 14, 0.5);
    --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.20);

    --radius: 22px;
    --radius-lg: 28px;
    --radius-sm: 14px;

    --container: 1200px;
    --section-pad: 104px;

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
    --t-fast: 0.25s var(--ease);
    --t: 0.4s var(--ease);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}
html, body { overflow-x: hidden; }

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text);
    line-height: 1.6;
    position: relative;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Base background: subtle navy depth (no hard bands) */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(1100px 760px at 80% -6%, rgba(91, 155, 255, 0.12), transparent 60%),
        radial-gradient(900px 680px at 8% 14%, rgba(40, 78, 150, 0.14), transparent 55%),
        linear-gradient(180deg, var(--bg-deep), var(--bg-deeper));
}

h1, h2, h3, h4, h5 { line-height: 1.12; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
p { color: var(--text-dim); }
a { text-decoration: none; color: inherit; transition: color var(--t-fast); }
ul { list-style: none; }
img { display: block; max-width: 100%; }
em { font-style: italic; }

/* --- Layout primitives --- */
.container { max-width: var(--container); margin: 0 auto; width: 100%; padding: 0 24px; }
.section { padding: var(--section-pad) 0; position: relative; z-index: 1; }

/* Alternating section rhythm: deep navy <-> lighter navy-slate */
.section-alt {
    background: var(--bg-slate);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

.section-head { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin-bottom: 14px; }
.section-head p { font-size: 1.08rem; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.76rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--accent-2); margin-bottom: 16px;
}
.section-head .eyebrow { justify-content: center; }

/* Single shared gradient-text class (used on headings AND price values) */
.text-grad, .price-value .amount {
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}

/* --- Grid system --- */
.grid { display: grid; gap: 22px; align-items: stretch; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* --- Liquid glass material --- */
.glass {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow), var(--glass-inset);
}
/* Specular top sheen */
.glass::after {
    content: "";
    position: absolute; inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0) 26%);
    opacity: 0.7;
    mix-blend-mode: screen;
}

/* --- Buttons (consistent glass-pill system) --- */
.btn {
    --btn-py: 13px; --btn-px: 26px;
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    padding: var(--btn-py) var(--btn-px);
    border-radius: 999px; font-weight: 600; font-size: 0.98rem; font-family: inherit;
    cursor: pointer; border: 1px solid transparent; text-align: center;
    transition: transform var(--t-fast), box-shadow var(--t), background var(--t), border-color var(--t), color var(--t);
    will-change: transform; position: relative; overflow: hidden;
}
.btn:active { transform: scale(0.96); }
.btn-sm { --btn-py: 10px; --btn-px: 19px; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* Primary = off-white liquid pill, navy text */
.btn-primary {
    background: linear-gradient(180deg, #ffffff, #e9eef6);
    color: var(--ink);
    box-shadow: 0 10px 28px rgba(255, 255, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(143, 208, 255, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.9); }

/* Glass = frosted translucent pill */
.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(14px) saturate(160%);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    color: var(--text);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-inset);
}
.btn-glass:hover { transform: translateY(-3px); background: var(--glass-bg-strong); border-color: var(--glass-border-bright); box-shadow: 0 14px 34px rgba(2, 5, 14, 0.4), 0 0 22px var(--accent-soft); }

.btn-whatsapp { background: #25D366; color: #042b13; border: none; box-shadow: 0 10px 26px rgba(37, 211, 102, 0.28); }
.btn-whatsapp:hover { transform: translateY(-3px); background: #2ee06f; box-shadow: 0 16px 36px rgba(37, 211, 102, 0.4); }

/* Sheen sweep on filled buttons */
.btn-primary::before, .btn-whatsapp::before {
    content: ""; position: absolute; top: 0; left: -120%; width: 60%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transform: skewX(-18deg); transition: left 0.6s var(--ease); pointer-events: none;
}
.btn-primary:hover::before, .btn-whatsapp:hover::before { left: 140%; }

/* Utility */
.fine-print { font-size: 0.78rem; color: var(--accent-2); margin-top: 4px; }
.subhead { text-align: center; font-size: 1.35rem; margin: 52px 0 28px; }
