/* ==========================================================================
   ApexCorp Design System
   A strict, brutalist-adjacent corporate design foundation.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. FONT FACE — Geist Variable Font
   -------------------------------------------------------------------------- */
@font-face {
	font-family: 'Geist';
	src: url('../fonts/GeistVF.woff2') format('woff2-variations'),
	     url('../fonts/GeistVF.woff2') format('woff2');
	font-weight: 100 900;
	font-display: swap;
	font-style: normal;
}

@font-face {
	font-family: 'Geist Mono';
	src: url('../fonts/GeistMonoVF.woff2') format('woff2-variations'),
	     url('../fonts/GeistMonoVF.woff2') format('woff2');
	font-weight: 100 900;
	font-display: swap;
	font-style: normal;
}

/* --------------------------------------------------------------------------
   2. CSS CUSTOM PROPERTIES — Light Mode (default)
   -------------------------------------------------------------------------- */
:root {
	/* --- Color Palette --- */
	--color-primary:       #0a0a0a;
	--color-secondary:     #1a1a2e;
	--color-accent:        #e63946;
	--color-accent-hover:  #c62d39;
	--color-neutral:       #f8f9fa;
	--color-white:         #ffffff;
	--color-black:         #000000;
	--color-dark:          #111111;
	--color-gray-100:      #f5f5f5;
	--color-gray-200:      #e5e5e5;
	--color-gray-300:      #d4d4d4;
	--color-gray-400:      #a3a3a3;
	--color-gray-500:      #737373;
	--color-gray-600:      #525252;
	--color-gray-700:      #404040;
	--color-gray-800:      #262626;
	--color-gray-900:      #171717;

	/* --- Semantic Colors --- */
	--color-bg:            var(--color-white);
	--color-bg-alt:        var(--color-neutral);
	--color-surface:       var(--color-white);
	--color-surface-alt:   var(--color-gray-100);
	--color-text:          var(--color-primary);
	--color-text-muted:    var(--color-gray-500);
	--color-text-inverse:  var(--color-white);
	--color-border:        #e8e8e8;
	--color-border-strong: #d0d0d0;
	--color-link:          var(--color-accent);
	--color-link-hover:    var(--color-accent-hover);

	/* --- Typography --- */
	--font-sans:           'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--font-mono:           'Geist Mono', 'SF Mono', 'Fira Code', monospace;
	--font-base-size:      16px;
	--font-line-height:    1.6;
	--font-weight-normal:  400;
	--font-weight-medium:  500;
	--font-weight-semi:    600;
	--font-weight-bold:    700;
	--font-weight-black:   900;

	/* --- Modular Type Scale (1.25 ratio) --- */
	--text-xs:             0.75rem;    /* 12px */
	--text-sm:             0.875rem;   /* 14px */
	--text-base:           1rem;       /* 16px */
	--text-md:             1.125rem;   /* 18px */
	--text-lg:             1.25rem;    /* 20px */
	--text-xl:             1.5rem;     /* 24px */
	--text-2xl:            1.875rem;   /* 30px */
	--text-3xl:            2.25rem;    /* 36px */
	--text-4xl:            3rem;       /* 48px */
	--text-5xl:            3.75rem;    /* 60px */
	--text-6xl:            4.5rem;     /* 72px */

	/* --- Spacing Scale (8px base) --- */
	--space-1:             0.25rem;    /* 4px */
	--space-2:             0.5rem;     /* 8px */
	--space-3:             0.75rem;    /* 12px */
	--space-4:             1rem;       /* 16px */
	--space-5:             1.5rem;     /* 24px */
	--space-6:             2rem;       /* 32px */
	--space-7:             2.5rem;     /* 40px */
	--space-8:             3rem;       /* 48px */
	--space-9:             4rem;       /* 64px */
	--space-10:            5rem;       /* 80px */
	--space-11:            6rem;       /* 96px */
	--space-12:            8rem;       /* 128px */

	/* --- Layout --- */
	--container-max:       1280px;
	--container-wide:      1440px;
	--container-narrow:    768px;
	--grid-columns:        12;
	--grid-gap:            var(--space-5);
	--sidebar-width:       320px;

	/* --- Borders & Radius --- */
	--radius:              6px;
	--radius-sm:           4px;
	--radius-md:           8px;
	--radius-lg:           12px;
	--border-width:        1px;

	/* --- Shadows (soft, modern) --- */
	--shadow-sm:           0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
	--shadow-md:           0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
	--shadow-lg:           0 8px 30px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
	--shadow-xl:           0 12px 40px rgba(0, 0, 0, 0.1);

	/* --- Transitions --- */
	--transition-fast:     120ms ease;
	--transition-base:     200ms ease;
	--transition-slow:     350ms ease;

	/* --- Z-index Scale --- */
	--z-dropdown:          100;
	--z-sticky:            200;
	--z-overlay:           300;
	--z-modal:             400;
	--z-toast:             500;
}

/* --------------------------------------------------------------------------
   3. DARK MODE
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
	--color-bg:            #0a0a0a;
	--color-bg-alt:        #111111;
	--color-surface:       #161616;
	--color-surface-alt:   #1c1c1c;
	--color-text:          #e5e5e5;
	--color-text-muted:    #a3a3a3;
	--color-text-inverse:  #0a0a0a;
	--color-border:        #2a2a2a;
	--color-border-strong: #404040;
	--color-link:          #ff6b6b;
	--color-link-hover:    #ff4757;
	--color-accent:        #ff6b6b;
	--color-accent-hover:  #ff4757;

	--shadow-sm:           0 1px 2px rgba(0, 0, 0, 0.3);
	--shadow-md:           0 2px 8px rgba(0, 0, 0, 0.4);
	--shadow-lg:           0 4px 16px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   4. INDUSTRY COLOR SCHEMES
   -------------------------------------------------------------------------- */

/* Construction */
.scheme-construction {
	--color-accent:        #e63946;
	--color-accent-hover:  #c62d39;
	--color-secondary:     #1a1a2e;
}

/* Real Estate */
.scheme-realestate {
	--color-accent:        #2d6a4f;
	--color-accent-hover:  #1b4332;
	--color-secondary:     #081c15;
}

[data-theme="dark"] .scheme-realestate {
	--color-accent:        #52b788;
	--color-accent-hover:  #40916c;
	--color-link:          #52b788;
	--color-link-hover:    #40916c;
}

/* Agency */
.scheme-agency {
	--color-accent:        #4361ee;
	--color-accent-hover:  #3a56d4;
	--color-secondary:     #14213d;
}

[data-theme="dark"] .scheme-agency {
	--color-accent:        #7b93f7;
	--color-accent-hover:  #6279e8;
	--color-link:          #7b93f7;
	--color-link-hover:    #6279e8;
}

[data-theme="dark"] .scheme-construction {
	--color-accent:        #ff6b6b;
	--color-accent-hover:  #ff4757;
	--color-link:          #ff6b6b;
	--color-link-hover:    #ff4757;
}

/* --------------------------------------------------------------------------
   5. RESET & BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	font-size: var(--font-base-size);
	-webkit-text-size-adjust: 100%;
	-moz-text-size-adjust: 100%;
	text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-sans);
	font-size: var(--text-base);
	font-weight: var(--font-weight-normal);
	line-height: var(--font-line-height);
	color: var(--color-text);
	background-color: var(--color-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
	display: block;
	max-width: 100%;
	height: auto;
}

input,
button,
textarea,
select {
	font: inherit;
	color: inherit;
}

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

a:hover,
a:focus-visible {
	color: var(--color-link-hover);
}

a:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   6. TYPOGRAPHY HIERARCHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-sans);
	font-weight: var(--font-weight-bold);
	line-height: 1.15;
	color: var(--color-text);
	letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); font-weight: var(--font-weight-black); letter-spacing: -0.03em; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); font-weight: var(--font-weight-semi); }

p {
	margin-bottom: var(--space-4);
}

blockquote {
	border-left: 3px solid var(--color-accent);
	padding-left: var(--space-5);
	margin: var(--space-6) 0;
	font-size: var(--text-lg);
	font-style: italic;
	color: var(--color-text-muted);
}

code, pre, kbd, samp {
	font-family: var(--font-mono);
	font-size: 0.9em;
}

pre {
	background: var(--color-surface-alt);
	border: var(--border-width) solid var(--color-border);
	padding: var(--space-5);
	overflow-x: auto;
	border-radius: var(--radius-md);
}

hr {
	border: none;
	border-top: var(--border-width) solid var(--color-border);
	margin: var(--space-8) 0;
}

/* --------------------------------------------------------------------------
   7. LAYOUT — 12-Column CSS Grid
   -------------------------------------------------------------------------- */
.container {
	width: 100%;
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: var(--space-5);
}

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

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

.grid {
	display: grid;
	grid-template-columns: repeat(var(--grid-columns), 1fr);
	gap: var(--grid-gap);
}

.col-1  { grid-column: span 1; }
.col-2  { grid-column: span 2; }
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* Responsive grid */
@media (max-width: 1024px) {
	.col-md-6  { grid-column: span 6; }
	.col-md-12 { grid-column: span 12; }
}

@media (max-width: 768px) {
	.grid {
		grid-template-columns: 1fr;
	}
	[class*="col-"] {
		grid-column: span 1;
	}
}

/* --------------------------------------------------------------------------
   8. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	padding: var(--space-3) var(--space-6);
	font-family: var(--font-sans);
	font-size: var(--text-sm);
	font-weight: var(--font-weight-semi);
	line-height: 1;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	border: var(--border-width) solid transparent;
	border-radius: var(--radius);
	cursor: pointer;
	transition: background-color var(--transition-fast),
	            color var(--transition-fast),
	            border-color var(--transition-fast);
	text-decoration: none;
}

.btn:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

.btn--primary {
	background-color: var(--color-accent);
	color: var(--color-white);
	border-color: var(--color-accent);
}

.btn--primary:hover {
	background-color: var(--color-accent-hover);
	border-color: var(--color-accent-hover);
	color: var(--color-white);
}

.btn--secondary {
	background-color: var(--color-primary);
	color: var(--color-white);
	border-color: var(--color-primary);
}

.btn--secondary:hover {
	background-color: var(--color-secondary);
	border-color: var(--color-secondary);
	color: var(--color-white);
}

/* Secondary on dark backgrounds: solid white */
.hero .btn--secondary,
[style*="background:var(--color-primary)"] .btn--secondary {
	background-color: var(--color-white);
	border-color: var(--color-white);
	color: var(--color-primary);
}

.hero .btn--secondary:hover,
[style*="background:var(--color-primary)"] .btn--secondary:hover {
	background-color: var(--color-gray-200);
	border-color: var(--color-gray-200);
	color: var(--color-primary);
}

/* Dark mode secondary */
[data-theme="dark"] .btn--secondary {
	background-color: var(--color-surface-alt);
	color: var(--color-text);
	border-color: var(--color-border-strong);
}

[data-theme="dark"] .btn--secondary:hover {
	background-color: var(--color-border-strong);
	color: var(--color-white);
}

/* Dark mode secondary on dark BG */
[data-theme="dark"] .hero .btn--secondary,
[data-theme="dark"] [style*="background:var(--color-primary)"] .btn--secondary {
	background-color: rgba(255, 255, 255, 0.12);
	border-color: rgba(255, 255, 255, 0.3);
	color: var(--color-white);
}

[data-theme="dark"] .hero .btn--secondary:hover,
[data-theme="dark"] [style*="background:var(--color-primary)"] .btn--secondary:hover {
	background-color: rgba(255, 255, 255, 0.2);
	border-color: rgba(255, 255, 255, 0.5);
}

.btn--large {
	padding: var(--space-4) var(--space-8);
	font-size: var(--text-base);
}

.btn--small {
	padding: var(--space-2) var(--space-4);
	font-size: var(--text-xs);
}

/* --------------------------------------------------------------------------
   9. UTILITIES
   -------------------------------------------------------------------------- */

/* Screen reader only */
.sr-only,
.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

.screen-reader-text:focus {
	position: fixed;
	top: 5px;
	left: 5px;
	z-index: var(--z-toast);
	display: block;
	width: auto;
	height: auto;
	padding: var(--space-4) var(--space-6);
	clip: auto;
	clip-path: none;
	font-size: var(--text-sm);
	font-weight: var(--font-weight-bold);
	color: var(--color-text);
	background-color: var(--color-bg);
	border: 2px solid var(--color-accent);
}

/* Text alignment */
.text-left    { text-align: left; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }

/* Section spacing */
.section {
	padding-block: var(--space-10);
}

.section--lg {
	padding-block: var(--space-12);
}

.section--alt {
	background-color: var(--color-bg-alt);
}

/* WordPress alignment classes */
.alignwide {
	max-width: var(--container-wide);
	margin-inline: auto;
}

.alignfull {
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
}

.aligncenter {
	display: block;
	margin-inline: auto;
}

/* --------------------------------------------------------------------------
   10. FORM ELEMENTS
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
textarea,
select {
	width: 100%;
	padding: var(--space-3) var(--space-4);
	font-size: var(--text-base);
	border: var(--border-width) solid var(--color-border);
	border-radius: var(--radius);
	background-color: var(--color-surface);
	color: var(--color-text);
	transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
	outline: none;
	border-color: var(--color-accent);
	box-shadow: 0 0 0 1px var(--color-accent);
}

label {
	display: block;
	margin-bottom: var(--space-2);
	font-size: var(--text-sm);
	font-weight: var(--font-weight-medium);
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   11. TABLE STYLES
   -------------------------------------------------------------------------- */
table {
	width: 100%;
	border-collapse: collapse;
	border-spacing: 0;
	margin-bottom: var(--space-6);
}

th,
td {
	padding: var(--space-3) var(--space-4);
	text-align: left;
	border-bottom: var(--border-width) solid var(--color-border);
}

th {
	font-weight: var(--font-weight-semi);
	font-size: var(--text-sm);
	text-transform: uppercase;
	letter-spacing: 0.04em;
	background-color: var(--color-surface-alt);
}

/* --------------------------------------------------------------------------
   12. ANIMATIONS (subtle, professional)
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
	from { opacity: 0; transform: translateY(8px); }
	to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
	from { opacity: 0; transform: translateY(20px); }
	to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
	animation: fadeIn 0.4s var(--transition-base) both;
}

.animate-fade-in-up {
	animation: fadeInUp 0.5s ease both;
}

/* Stagger children */
.stagger-children > * {
	opacity: 0;
	animation: fadeInUp 0.4s ease both;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 60ms; }
.stagger-children > *:nth-child(3) { animation-delay: 120ms; }
.stagger-children > *:nth-child(4) { animation-delay: 180ms; }
.stagger-children > *:nth-child(5) { animation-delay: 240ms; }
.stagger-children > *:nth-child(6) { animation-delay: 300ms; }

/* Intersection Observer — reveal on scroll (activated via JS) */
[data-reveal] {
	opacity: 0;
	transform: translateY(12px);
	transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-reveal].revealed {
	opacity: 1;
	transform: translateY(0);
}