/*
Theme Name:     Altair Aviation
Theme URI:      https://www.altairaviation.aero
Template:       icaolpt
Author:         Peter Herold / Altair Aviation
Author URI:     https://www.altairaviation.aero
Description:    Premium child theme for the Altair Aviation Ecosystem brand site. WCAG 2.1 AA compliant. Modern aviation aesthetic with display typography (Fraunces) and Inter body. v3 — fully redesigned for SaaS-grade visual quality.
Version:        3.0.0
Requires at least: 6.0
Requires PHP:   8.2
License:        Proprietary
Text Domain:    altair
*/

/* ==========================================================================
   ALTAIR DESIGN SYSTEM v3 — Premium Aviation
   ==========================================================================
   Brand-Tokens lock-in. Override icaolpt-core white-label vars.
   WCAG AA: alle Kontraste validiert.
   ========================================================================== */

:root {
    /* ── Primary palette ── */
    --altair-night:       #0a1428;
    --altair-navy:        #0f2b4a;
    --altair-navy-700:    #1a3f6b;
    --altair-navy-500:    #4a6c91;
    --altair-navy-300:    #b8c8de;
    --altair-navy-100:    #f4f7fb;
    --altair-navy-50:     #f9fbfd;

    --altair-gold:        #f59e0b;
    --altair-gold-light:  #fbbf24;
    --altair-gold-bright: #fde047;
    --altair-gold-dark:   #b45309;
    --altair-gold-darker: #92400e;

    --altair-white:       #ffffff;
    --altair-cream:       #fffbf2;

    /* ── Neutrals (validiert auf white background) ── */
    --altair-text:           #0a1428;  /* 19.0:1 — AAA */
    --altair-text-strong:    #1f2937;  /* 15.6:1 — AAA */
    --altair-text-muted:     #4b5563;  /* 7.6:1  — AAA */
    --altair-text-soft:      #6b7280;  /* 5.4:1  — AA  */
    --altair-text-on-dark:   #ffffff;
    --altair-text-on-dark-muted: rgba(255, 255, 255, 0.78);

    --altair-border:         #e5e7eb;
    --altair-border-strong:  #d1d5db;

    /* ── Semantic ── */
    --altair-success: #059669;
    --altair-warning: #b45309;
    --altair-danger:  #b91c1c;
    --altair-info:    #1d4ed8;

    /* ── Type scale (1.250 modular, base 17 px) ── */
    --altair-text-xs:    0.75rem;   /* 12 px */
    --altair-text-sm:    0.875rem;  /* 14 px */
    --altair-text-base:  1.0625rem; /* 17 px */
    --altair-text-lg:    1.25rem;   /* 20 px */
    --altair-text-xl:    1.5rem;    /* 24 px */
    --altair-text-2xl:   1.875rem;  /* 30 px */
    --altair-text-3xl:   2.25rem;   /* 36 px */
    --altair-text-4xl:   2.875rem;  /* 46 px */
    --altair-text-5xl:   3.75rem;   /* 60 px */
    --altair-text-6xl:   4.5rem;    /* 72 px */

    /* ── Spacing (4 px grid) ── */
    --s1:  0.25rem; --s2: 0.5rem; --s3: 0.75rem; --s4: 1rem;
    --s5:  1.25rem; --s6: 1.5rem; --s8: 2rem;    --s10: 2.5rem;
    --s12: 3rem;    --s16: 4rem;  --s20: 5rem;   --s24: 6rem;
    --s32: 8rem;    --s40: 10rem;

    /* ── Radii ── */
    --r-sm:  6px;
    --r-md:  10px;
    --r-lg:  16px;
    --r-xl:  24px;
    --r-2xl: 32px;
    --r-full: 9999px;

    /* ── Shadows ── */
    --shadow-xs: 0 1px 2px rgba(10, 20, 40, 0.05);
    --shadow-sm: 0 1px 3px rgba(10, 20, 40, 0.08), 0 1px 2px rgba(10, 20, 40, 0.04);
    --shadow-md: 0 4px 12px rgba(10, 20, 40, 0.10), 0 2px 4px rgba(10, 20, 40, 0.05);
    --shadow-lg: 0 16px 32px rgba(10, 20, 40, 0.12), 0 4px 8px rgba(10, 20, 40, 0.06);
    --shadow-xl: 0 32px 64px rgba(10, 20, 40, 0.16);
    --shadow-glow: 0 0 0 4px rgba(245, 158, 11, 0.18);

    /* ── Layout ── */
    --container:        1200px;
    --container-narrow: 760px;
    --container-wide:   1440px;

    /* ── Typography ── */
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body:    'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono:    'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;

    --leading-tight:  1.05;
    --leading-snug:   1.25;
    --leading-normal: 1.55;
    --leading-loose:  1.75;

    /* ── Override icaolpt white-label tokens ── */
    --icaolpt-primary:        var(--altair-navy);
    --icaolpt-primary-light:  var(--altair-navy-700);
    --icaolpt-primary-dark:   var(--altair-night);
    --icaolpt-secondary:      var(--altair-navy-700);
    --icaolpt-secondary-light: var(--altair-navy-500);
    --icaolpt-accent:         var(--altair-gold);
    --icaolpt-accent-light:   var(--altair-gold-light);
    --icaolpt-font-family:    var(--font-body);
    --icaolpt-border-radius:  var(--r-md);
}

body.altair-brand {
    --icaolpt-primary:        var(--altair-navy);
    --icaolpt-primary-light:  var(--altair-navy-700);
    --icaolpt-accent:         var(--altair-gold);
}

/* ==========================================================================
   GLOBAL RESET
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.altair-brand {
    margin: 0;
    background: var(--altair-white);
    color: var(--altair-text);
    font-family: var(--font-body);
    font-size: var(--altair-text-base);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'cv11', 'ss01', 'ss03';  /* Inter alt-styles */
    overflow-x: hidden;
}

body.altair-brand h1,
body.altair-brand h2,
body.altair-brand h3,
body.altair-brand h4,
body.altair-brand h5,
body.altair-brand h6 {
    font-family: var(--font-display);
    color: var(--altair-text);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: -0.025em;
    margin: 0 0 var(--s4);
    font-feature-settings: 'ss01', 'ss02';
}

body.altair-brand h1 { font-size: clamp(2.75rem, 6.5vw, 4.5rem); font-weight: 800; }
body.altair-brand h2 { font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 700; }
body.altair-brand h3 { font-size: clamp(1.5rem, 3vw, 1.875rem); letter-spacing: -0.015em; }
body.altair-brand h4 { font-size: var(--altair-text-xl); letter-spacing: -0.01em; font-weight: 700; }

body.altair-brand p {
    margin: 0 0 var(--s4);
    color: var(--altair-text-strong);
}

body.altair-brand a {
    color: var(--altair-navy);
    text-decoration: underline;
    text-decoration-color: rgba(245, 158, 11, 0.5);
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
    transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

body.altair-brand a:hover,
body.altair-brand a:focus-visible {
    color: var(--altair-gold-darker);
    text-decoration-color: var(--altair-gold);
}

body.altair-brand :focus-visible {
    outline: 3px solid var(--altair-gold);
    outline-offset: 3px;
    border-radius: 4px;
}

body.altair-brand img {
    max-width: 100%;
    height: auto;
    display: block;
}

body.altair-brand strong { font-weight: 700; }

/* Skip-link */
.altair-skip-link {
    position: absolute;
    top: -100px;
    left: var(--s4);
    background: var(--altair-night);
    color: var(--altair-white);
    padding: var(--s3) var(--s6);
    z-index: 9999;
    font-weight: 700;
    text-decoration: none;
    border-radius: 0 0 var(--r-md) var(--r-md);
}

.altair-skip-link:focus { top: 0; color: var(--altair-white); }

/* ==========================================================================
   LAYOUT PRIMITIVES
   ========================================================================== */

.altair-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--s6);
}

.altair-container--narrow { max-width: var(--container-narrow); }
.altair-container--wide   { max-width: var(--container-wide); }

.altair-section {
    padding: var(--s32) 0;
    position: relative;
}

.altair-section--soft {
    background: var(--altair-navy-50);
}

.altair-section--dark {
    background: var(--altair-night);
    color: var(--altair-text-on-dark);
}

.altair-section--dark h1, .altair-section--dark h2,
.altair-section--dark h3, .altair-section--dark h4 { color: var(--altair-white); }
.altair-section--dark p { color: var(--altair-text-on-dark-muted); }

.altair-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    color: var(--altair-gold-darker);
    font-family: var(--font-body);
    font-size: var(--altair-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: var(--s5);
}

.altair-eyebrow::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--altair-gold);
    border-radius: 1px;
}

.altair-section--dark .altair-eyebrow { color: var(--altair-gold-light); }

.altair-section__header {
    max-width: 760px;
    margin-bottom: var(--s16);
}

.altair-section__header--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.altair-section__header--center .altair-eyebrow { justify-content: center; }

.altair-section__title {
    margin-bottom: var(--s5);
}

.altair-section__intro {
    font-size: var(--altair-text-xl);
    color: var(--altair-text-muted);
    line-height: var(--leading-snug);
    font-weight: 400;
    margin: 0;
}

.altair-section--dark .altair-section__intro { color: var(--altair-text-on-dark-muted); }

/* ==========================================================================
   HEADER
   ========================================================================== */

.altair-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--altair-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.altair-header__inner {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: var(--s4) var(--s8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s8);
}

.altair-header__brand {
    display: flex;
    align-items: center;
    gap: var(--s3);
    color: var(--altair-text);
    text-decoration: none !important;
    flex-shrink: 0;
}

.altair-header__brand:hover { color: var(--altair-text); }

.altair-header__logo {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.altair-header__brand:hover .altair-header__logo {
    transform: rotate(15deg);
}

.altair-header__brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.altair-header__brand-name {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--altair-text);
}

.altair-header__brand-tag {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--altair-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 4px;
}

.altair-header__nav {
    display: flex;
    gap: var(--s8);
    align-items: center;
    flex: 1;
    justify-content: center;
}

.altair-header__nav a {
    color: var(--altair-text-strong);
    text-decoration: none !important;
    font-weight: 600;
    font-size: var(--altair-text-base);
    padding: var(--s2) 0;
    position: relative;
    transition: color 0.15s ease;
}

.altair-header__nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--altair-gold);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.altair-header__nav a:hover,
.altair-header__nav a:focus-visible {
    color: var(--altair-navy);
}

.altair-header__nav a:hover::after,
.altair-header__nav a:focus-visible::after {
    transform: scaleX(1);
}

.altair-header__cta {
    display: inline-flex;
    align-items: center;
    background: var(--altair-night);
    color: var(--altair-white) !important;
    padding: var(--s3) var(--s6);
    border-radius: var(--r-md);
    font-weight: 700;
    text-decoration: none !important;
    font-size: var(--altair-text-base);
    transition: all 0.2s ease;
    flex-shrink: 0;
    border: 2px solid var(--altair-night);
}

.altair-header__cta:hover,
.altair-header__cta:focus-visible {
    background: transparent;
    color: var(--altair-night) !important;
    transform: translateY(-1px);
}

.altair-header__menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: var(--s2);
    color: var(--altair-text);
}

/* ==========================================================================
   HERO — Premium Aviation Style
   ========================================================================== */

.altair-hero {
    position: relative;
    background: var(--altair-night);
    color: var(--altair-white);
    padding: var(--s32) 0 var(--s24);
    overflow: hidden;
    isolation: isolate;
}

.altair-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(245, 158, 11, 0.18) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(26, 63, 107, 0.6) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

.altair-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' fill='none' stroke='rgba(255,255,255,0.02)' stroke-width='1'/%3E%3C/svg%3E");
    background-size: 60px 60px;
    pointer-events: none;
    z-index: -1;
}

.altair-hero__inner {
    position: relative;
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--s6);
}

.altair-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--s3);
    color: var(--altair-gold-light);
    font-size: var(--altair-text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--s8);
    padding: var(--s2) var(--s5);
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--r-full);
}

.altair-hero__eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--altair-gold-light);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.8);
}

.altair-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.03em;
    margin-bottom: var(--s8);
    color: var(--altair-white);
}

.altair-hero__title-em {
    display: block;
    background: linear-gradient(135deg, #fde047 0%, #f59e0b 60%, #f59e0b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-style: italic;
    font-weight: 900;
}

.altair-hero__subtitle {
    font-size: clamp(1.125rem, 1.6vw, 1.375rem);
    line-height: var(--leading-snug);
    color: rgba(255, 255, 255, 0.82);
    max-width: 720px;
    margin: 0 auto var(--s10);
    font-weight: 400;
}

.altair-hero__cta-row {
    display: flex;
    gap: var(--s4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--s12);
}

.altair-hero__trust {
    display: inline-flex;
    align-items: center;
    gap: var(--s3);
    color: rgba(255, 255, 255, 0.65);
    font-size: var(--altair-text-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.altair-hero__trust-dot {
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}

/* Hero scroll indicator */
.altair-hero__scroll {
    position: absolute;
    bottom: var(--s8);
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.4);
    animation: altair-bounce 2s ease-in-out infinite;
}

@keyframes altair-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(8px); }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.altair-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    padding: var(--s4) var(--s8);
    border-radius: var(--r-md);
    font-family: var(--font-body);
    font-weight: 700;
    text-decoration: none !important;
    font-size: var(--altair-text-base);
    line-height: 1;
    transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.altair-btn--primary {
    background: var(--altair-gold);
    color: var(--altair-night) !important;
    border-color: var(--altair-gold);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.altair-btn--primary:hover,
.altair-btn--primary:focus-visible {
    background: var(--altair-gold-light);
    border-color: var(--altair-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
}

.altair-btn--secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--altair-white) !important;
    border-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
}

.altair-btn--secondary:hover,
.altair-btn--secondary:focus-visible {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.45);
    transform: translateY(-2px);
}

.altair-btn--dark {
    background: var(--altair-night);
    color: var(--altair-white) !important;
    border-color: var(--altair-night);
}

.altair-btn--dark:hover {
    background: transparent;
    color: var(--altair-night) !important;
}

.altair-btn--lg { padding: var(--s5) var(--s10); font-size: var(--altair-text-lg); }

.altair-btn__icon { width: 18px; height: 18px; }

/* ==========================================================================
   MODULE GRID — Premium Cards
   ========================================================================== */

.altair-modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--s6);
}

.altair-module-card {
    background: var(--altair-white);
    border: 1px solid var(--altair-border);
    border-radius: var(--r-xl);
    padding: var(--s8);
    text-decoration: none !important;
    color: var(--altair-text);
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.altair-module-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--module-accent, #f59e0b) 0%, transparent 30%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: -1;
    mix-blend-mode: multiply;
}

.altair-module-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--module-accent, var(--altair-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.altair-module-card:hover,
.altair-module-card:focus-visible {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
    color: var(--altair-text);
}

.altair-module-card:hover::after,
.altair-module-card:focus-visible::after { transform: scaleX(1); }

.altair-module-card:hover::before,
.altair-module-card:focus-visible::before { opacity: 0.04; }

.altair-module-card__icon {
    width: 60px;
    height: 60px;
    border-radius: var(--r-lg);
    background: var(--altair-navy-100);
    color: var(--altair-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--s5);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.altair-module-card:hover .altair-module-card__icon {
    background: var(--module-accent, var(--altair-gold));
    color: var(--altair-white);
    transform: scale(1.05) rotate(-3deg);
}

.altair-module-card__icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 2;
}

.altair-module-card__name {
    font-family: var(--font-display);
    font-size: var(--altair-text-xl);
    font-weight: 700;
    color: var(--altair-text);
    margin: 0 0 var(--s2);
    letter-spacing: -0.015em;
}

.altair-module-card__tagline {
    color: var(--altair-text-muted);
    font-size: var(--altair-text-base);
    line-height: var(--leading-snug);
    margin: 0 0 var(--s6);
    flex-grow: 1;
}

.altair-module-card__meta {
    display: flex;
    align-items: center;
    gap: var(--s3);
    padding-top: var(--s4);
    border-top: 1px solid var(--altair-border);
}

.altair-module-card__status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--r-full);
    font-size: var(--altair-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.altair-module-card__status--production { background: #d1fae5; color: #065f46; }
.altair-module-card__status--mvp        { background: #dbeafe; color: #1e40af; }
.altair-module-card__status--dev        { background: #fef3c7; color: #92400e; }
.altair-module-card__status--planned    { background: var(--altair-navy-100); color: var(--altair-text-muted); }

.altair-module-card__arrow {
    color: var(--altair-text-muted);
    margin-left: auto;
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease, color 0.3s ease;
}

.altair-module-card:hover .altair-module-card__arrow {
    color: var(--module-accent, var(--altair-gold));
    transform: translateX(4px);
}

/* ==========================================================================
   STATS / TRUST
   ========================================================================== */

.altair-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--s8);
    text-align: center;
    margin-bottom: var(--s16);
}

.altair-stat__number {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--altair-navy);
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin-bottom: var(--s3);
    font-variant-numeric: tabular-nums;
}

.altair-stat__label {
    color: var(--altair-text-muted);
    font-size: var(--altair-text-base);
    line-height: var(--leading-snug);
}

.altair-founder-card {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    padding: var(--s16) var(--s10);
    background: var(--altair-white);
    border-radius: var(--r-2xl);
    border: 1px solid var(--altair-border);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.altair-founder-card::before {
    content: '"';
    position: absolute;
    top: var(--s4);
    left: var(--s8);
    font-family: var(--font-display);
    font-size: 6rem;
    color: var(--altair-gold);
    line-height: 1;
    opacity: 0.2;
    font-style: italic;
}

.altair-founder-card__quote {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.5vw, 1.625rem);
    line-height: 1.4;
    color: var(--altair-text);
    font-weight: 500;
    font-style: italic;
    margin-bottom: var(--s8);
    letter-spacing: -0.01em;
}

.altair-founder-card__attribution {
    color: var(--altair-text-muted);
    font-size: var(--altair-text-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s3);
    flex-wrap: wrap;
}

.altair-founder-card__attribution strong {
    color: var(--altair-text);
    font-weight: 700;
}

/* ==========================================================================
   FINAL CTA SECTION
   ========================================================================== */

.altair-cta-section {
    background: var(--altair-night);
    color: var(--altair-white);
    padding: var(--s32) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.altair-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 60% at 50% 50%, rgba(245, 158, 11, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 0% 100%, rgba(26, 63, 107, 0.6) 0%, transparent 60%);
    pointer-events: none;
}

.altair-cta-section__inner {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--s6);
}

.altair-cta-section h2 {
    color: var(--altair-white);
    margin-bottom: var(--s5);
}

.altair-cta-section p {
    color: rgba(255, 255, 255, 0.78);
    font-size: var(--altair-text-lg);
    line-height: var(--leading-snug);
    margin-bottom: var(--s10);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.altair-footer {
    background: var(--altair-night);
    color: rgba(255, 255, 255, 0.72);
    padding: var(--s24) 0 var(--s8);
}

.altair-footer__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--s6);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--s12);
    margin-bottom: var(--s16);
}

.altair-footer__brand-block {
    max-width: 360px;
}

.altair-footer__brand {
    display: flex;
    align-items: center;
    gap: var(--s3);
    color: var(--altair-white);
    text-decoration: none;
    margin-bottom: var(--s5);
}

.altair-footer__brand-name {
    font-family: var(--font-display);
    font-size: var(--altair-text-xl);
    font-weight: 800;
    color: var(--altair-white);
}

.altair-footer__brand-text {
    color: rgba(255, 255, 255, 0.72);
    font-size: var(--altair-text-base);
    line-height: var(--leading-snug);
    margin-bottom: var(--s5);
}

.altair-footer h4 {
    font-family: var(--font-body);
    color: var(--altair-white);
    font-size: var(--altair-text-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin: 0 0 var(--s5);
    letter-spacing: -0.005em;
}

.altair-footer h4 { letter-spacing: 0.12em; }

.altair-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.altair-footer li { margin-bottom: var(--s3); }

.altair-footer a {
    color: rgba(255, 255, 255, 0.72);
    text-decoration: none;
    font-size: var(--altair-text-sm);
    transition: color 0.15s ease;
}

.altair-footer a:hover,
.altair-footer a:focus-visible {
    color: var(--altair-gold-light);
}

.altair-footer__bottom {
    max-width: var(--container);
    margin: 0 auto;
    padding: var(--s8) var(--s6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--s4);
    font-size: var(--altair-text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.altair-footer__bottom a { color: var(--altair-gold-light); }

/* ==========================================================================
   PAGE HERO (Sub-Pages)
   ========================================================================== */

.altair-page-hero {
    background: var(--altair-night);
    color: var(--altair-white);
    padding: var(--s24) 0 var(--s20);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.altair-page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 30% 0%, rgba(245, 158, 11, 0.14) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 100% 100%, rgba(26, 63, 107, 0.5) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

.altair-page-hero__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--s8);
}

.altair-page-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 0 0 var(--s5);
    color: var(--altair-white) !important;
    max-width: 880px;
}

.altair-page-hero__subtitle {
    font-size: clamp(1.0625rem, 1.6vw, 1.375rem);
    line-height: var(--leading-snug);
    color: rgba(255, 255, 255, 0.78) !important;
    max-width: 720px;
    margin: 0;
}

.altair-page-hero .altair-eyebrow { color: var(--altair-gold-light); }

/* Module-specific Hero with icon block */
.altair-page-hero--module .altair-page-hero__inner {
    max-width: var(--container);
}

.altair-module-hero {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--s8);
    align-items: start;
}

.altair-module-hero__icon {
    width: 96px;
    height: 96px;
    border-radius: var(--r-xl);
    background: linear-gradient(135deg, var(--module-accent, var(--altair-gold)) 0%, var(--altair-night) 120%);
    color: var(--altair-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.altair-module-hero__icon svg {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
}

.altair-module-hero__body { min-width: 0; }

.altair-module-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-top: var(--s6);
    flex-wrap: wrap;
}

.altair-module-hero__platforms {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--altair-text-sm);
    font-weight: 500;
}

.altair-module-purpose {
    font-size: var(--altair-text-xl);
    line-height: var(--leading-snug);
    color: var(--altair-text-strong);
    text-align: center;
    margin: 0;
}

/* ==========================================================================
   GENERIC PAGE BODY
   ========================================================================== */

.altair-page__body {
    font-size: var(--altair-text-lg);
    line-height: var(--leading-loose);
    color: var(--altair-text-strong);
}

.altair-page__body h2 {
    font-size: var(--altair-text-3xl);
    margin-top: var(--s12);
    margin-bottom: var(--s5);
}

.altair-page__body h3 {
    font-size: var(--altair-text-xl);
    margin-top: var(--s10);
    margin-bottom: var(--s4);
}

.altair-page__body p,
.altair-page__body ul,
.altair-page__body ol {
    margin-bottom: var(--s6);
}

.altair-page__body ul,
.altair-page__body ol { padding-left: var(--s8); }

.altair-page__body li { margin-bottom: var(--s3); }

.altair-module-detail {
    margin-top: var(--s16);
    padding-top: var(--s12);
    border-top: 2px solid var(--altair-border);
}

.altair-module-detail__purpose {
    font-size: var(--altair-text-xl);
    line-height: var(--leading-snug);
    color: var(--altair-text-muted);
    margin-bottom: var(--s10);
}

.altair-usp-list {
    list-style: none;
    padding: 0;
}

.altair-usp-list li {
    position: relative;
    padding-left: var(--s10);
    margin-bottom: var(--s4);
}

.altair-usp-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 24px;
    height: 24px;
    background-color: var(--altair-success);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: 16px;
    background-position: center;
    background-repeat: no-repeat;
}

/* ==========================================================================
   TWO-COL LAYOUT (Audiences vs Competitors)
   ========================================================================== */

.altair-twocol {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s12);
}

.altair-checklist {
    list-style: none;
    padding: 0;
    margin: var(--s5) 0 0;
}

.altair-checklist li {
    position: relative;
    padding-left: var(--s8);
    margin-bottom: var(--s3);
    color: var(--altair-text-strong);
}

.altair-checklist li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 16px;
    height: 16px;
    background-color: var(--altair-success);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: 11px;
    background-position: center;
    background-repeat: no-repeat;
}

.altair-checklist--neutral li::before {
    background-color: var(--altair-text-soft);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3C/svg%3E");
}

/* ==========================================================================
   PRICING CARDS (used on module page + pricing page)
   ========================================================================== */

.altair-pricing-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s6);
    max-width: 720px;
    margin: 0 auto;
}

.altair-pricing-card {
    background: var(--altair-white);
    border: 2px solid var(--altair-border);
    border-radius: var(--r-xl);
    padding: var(--s10) var(--s8);
    text-align: center;
    position: relative;
    transition: all 0.25s ease;
}

.altair-pricing-card:hover {
    border-color: var(--altair-navy-300);
    box-shadow: var(--shadow-md);
}

.altair-pricing-card--featured {
    border-color: var(--altair-gold);
    background: linear-gradient(180deg, #fffbeb 0%, var(--altair-white) 100%);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.15);
}

.altair-pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--altair-gold);
    color: var(--altair-night);
    padding: 4px 16px;
    border-radius: var(--r-full);
    font-size: var(--altair-text-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.altair-pricing-card h4 {
    font-family: var(--font-display);
    font-size: var(--altair-text-xl);
    margin: 0 0 var(--s4);
    color: var(--altair-text);
}

.altair-pricing-card__price {
    margin: var(--s5) 0;
}

.altair-pricing-card__amount {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--altair-navy);
    line-height: 1;
    letter-spacing: -0.02em;
}

.altair-pricing-card__period {
    color: var(--altair-text-muted);
    font-size: var(--altair-text-base);
    margin-left: 4px;
}

.altair-pricing-card p {
    color: var(--altair-text-muted);
    font-size: var(--altair-text-sm);
    line-height: var(--leading-snug);
    margin: 0 0 var(--s5);
}

.altair-pricing-card .altair-btn {
    display: inline-flex;
    width: 100%;
    justify-content: center;
}

/* ==========================================================================
   PRICING TABLE (Pricing Page)
   ========================================================================== */

.altair-pricing-table-wrap {
    max-width: 880px;
    margin: 0 auto;
    overflow-x: auto;
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--altair-border);
}

.altair-pricing-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--altair-white);
    font-size: var(--altair-text-base);
}

.altair-pricing-table thead {
    background: var(--altair-night);
    color: var(--altair-white);
}

.altair-pricing-table th {
    padding: var(--s5) var(--s6);
    text-align: left;
    font-family: var(--font-body);
    font-size: var(--altair-text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.altair-pricing-table th:nth-child(2),
.altair-pricing-table th:nth-child(3) { text-align: right; width: 160px; }

.altair-pricing-table tbody tr {
    border-bottom: 1px solid var(--altair-border);
    transition: background 0.15s ease;
}

.altair-pricing-table tbody tr:last-child { border-bottom: 0; }
.altair-pricing-table tbody tr:hover { background: var(--altair-navy-50); }

.altair-pricing-table td {
    padding: var(--s5) var(--s6);
    color: var(--altair-text-strong);
    vertical-align: top;
}

.altair-pricing-table td:nth-child(2),
.altair-pricing-table td:nth-child(3) {
    text-align: right;
    font-family: var(--font-display);
    font-size: var(--altair-text-xl);
    font-weight: 700;
    color: var(--altair-navy);
    font-variant-numeric: tabular-nums;
}

.altair-pricing-table small {
    color: var(--altair-text-muted);
    font-size: var(--altair-text-sm);
    display: block;
    margin-top: 4px;
}

/* ==========================================================================
   USE CASE GRID
   ========================================================================== */

.altair-usecase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--s6);
}

.altair-usecase-card {
    background: var(--altair-white);
    border: 1px solid var(--altair-border);
    border-radius: var(--r-xl);
    padding: var(--s10);
    text-decoration: none !important;
    color: var(--altair-text);
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.altair-usecase-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--altair-gold);
    color: var(--altair-text);
}

.altair-usecase-card h3 {
    font-family: var(--font-display);
    font-size: var(--altair-text-2xl);
    margin: 0 0 var(--s3);
    color: var(--altair-navy);
}

.altair-usecase-card p {
    color: var(--altair-text-muted);
    line-height: var(--leading-snug);
    margin: 0 0 var(--s6);
    flex-grow: 1;
}

.altair-usecase-card__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    color: var(--altair-gold-darker);
    font-weight: 700;
    font-size: var(--altair-text-sm);
}

.altair-usecase-card__cta svg {
    width: 18px;
    height: 18px;
    transition: transform 0.25s ease;
}

.altair-usecase-card:hover .altair-usecase-card__cta svg {
    transform: translateX(4px);
}

/* Mobile overrides for the new components */
@media (max-width: 768px) {
    .altair-twocol { grid-template-columns: 1fr; gap: var(--s8); }
    .altair-pricing-cards { grid-template-columns: 1fr; gap: var(--s5); }
    .altair-usecase-grid { grid-template-columns: 1fr; gap: var(--s4); }
    .altair-module-hero { grid-template-columns: 1fr; }
    .altair-module-hero__icon { width: 72px; height: 72px; }
    .altair-module-hero__icon svg { width: 36px; height: 36px; }
    .altair-pricing-table th,
    .altair-pricing-table td { padding: var(--s4); }
    .altair-pricing-table td:nth-child(2),
    .altair-pricing-table td:nth-child(3) { font-size: var(--altair-text-base); }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 980px) {
    .altair-modules-grid { grid-template-columns: repeat(2, 1fr); }
    .altair-section { padding: var(--s24) 0; }
    .altair-hero { padding: var(--s24) 0 var(--s20); }
    .altair-footer__inner { grid-template-columns: 1fr 1fr; }
    .altair-footer__brand-block { grid-column: 1 / -1; max-width: none; }
    .altair-header__inner { padding: var(--s4) var(--s6); gap: var(--s5); }
    .altair-header__nav { gap: var(--s5); }
}

@media (max-width: 768px) {
    body.altair-brand { font-size: 16px; }

    .altair-section { padding: var(--s20) 0; }
    .altair-hero    { padding: var(--s20) 0 var(--s16); }
    .altair-hero__title { font-size: clamp(2.25rem, 9vw, 3rem); }
    .altair-hero__subtitle { font-size: var(--altair-text-base); }
    .altair-hero__cta-row { flex-direction: column; align-items: stretch; }
    .altair-hero__cta-row .altair-btn { width: 100%; }
    .altair-hero__eyebrow { font-size: 0.6875rem; }

    .altair-header__inner { padding: var(--s3) var(--s5); gap: var(--s3); }
    .altair-header__brand-tag { display: none; }
    .altair-header__brand-name { font-size: var(--altair-text-base); }
    .altair-header__nav { display: none; }
    .altair-header__menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
    }
    .altair-header__cta { display: none; }

    .altair-header[data-mobile-open="true"] .altair-header__nav {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--altair-white);
        border-top: 1px solid var(--altair-border);
        flex-direction: column;
        padding: var(--s5);
        gap: 0;
        box-shadow: var(--shadow-lg);
        align-items: stretch;
    }
    .altair-header[data-mobile-open="true"] .altair-header__nav a {
        padding: var(--s4) 0;
        font-size: var(--altair-text-lg);
        border-bottom: 1px solid var(--altair-border);
    }
    .altair-header[data-mobile-open="true"] .altair-header__nav a::after { display: none; }
    .altair-header[data-mobile-open="true"] .altair-header__cta {
        display: inline-flex;
        margin-top: var(--s4);
        justify-content: center;
    }

    .altair-modules-grid { grid-template-columns: 1fr; gap: var(--s4); }
    .altair-module-card { padding: var(--s6); }
    .altair-stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--s6); }
    .altair-founder-card { padding: var(--s10) var(--s5); }
    .altair-footer { padding: var(--s16) 0 var(--s6); }
    .altair-footer__inner { grid-template-columns: 1fr; gap: var(--s8); margin-bottom: var(--s10); }
    .altair-footer__brand-block { grid-column: auto; }
    .altair-footer__bottom { flex-direction: column; text-align: center; gap: var(--s2); }
    .altair-cta-section { padding: var(--s20) 0; }

    .altair-btn { min-height: 48px; padding: var(--s4) var(--s6); }
    .altair-section__header { margin-bottom: var(--s12); }
}

@media (max-width: 480px) {
    .altair-stats-grid { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print */
@media print {
    .altair-header, .altair-footer, .altair-cta-section { display: none; }
    body.altair-brand { color: #000; background: #fff; }
}