/* ========================================
   RICHARD ADAZE - PERSONAL BRAND WEBSITE
   Design System & Core Styles
   ======================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Primary Colors - Deep Navy (Trust, Corporate, Adonai-aligned) */
    --color-primary-900: #0a1628;
    --color-primary-800: #0f2140;
    --color-primary-700: #152d54;
    --color-primary-600: #1a3a68;
    --color-primary-500: #1e4d8c;
    --color-primary-400: #2563a8;
    --color-primary-300: #3b82c4;
    --color-primary-200: #60a5fa;
    --color-primary-100: #93c5fd;

    /* Secondary Colors - Electric Blue/Teal (Tech, Innovation) */
    --color-secondary-900: #042f2e;
    --color-secondary-800: #065f5c;
    --color-secondary-700: #0d9488;
    --color-secondary-600: #14b8a6;
    --color-secondary-500: #2dd4bf;
    --color-secondary-400: #5eead4;
    --color-secondary-300: #99f6e4;
    --color-secondary-200: #ccfbf1;
    --color-secondary-100: #f0fdfa;

    /* Accent Colors - Gold (Premium Real Estate Feel) */
    --color-accent-900: #78350f;
    --color-accent-800: #92400e;
    --color-accent-700: #b45309;
    --color-accent-600: #d97706;
    --color-accent-500: #f59e0b;
    --color-accent-400: #fbbf24;
    --color-accent-300: #fcd34d;
    --color-accent-200: #fde68a;
    --color-accent-100: #fef3c7;

    /* Neutral Colors */
    --color-neutral-950: #030712;
    --color-neutral-900: #111827;
    --color-neutral-800: #1f2937;
    --color-neutral-700: #374151;
    --color-neutral-600: #4b5563;
    --color-neutral-500: #6b7280;
    --color-neutral-400: #9ca3af;
    --color-neutral-300: #d1d5db;
    --color-neutral-200: #e5e7eb;
    --color-neutral-100: #f3f4f6;
    --color-neutral-50: #f9fafb;
    --color-white: #ffffff;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-900) 100%);
    --gradient-hero: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 50%, var(--color-primary-700) 100%);
    --gradient-tech: linear-gradient(135deg, var(--color-secondary-600) 0%, var(--color-secondary-700) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-accent-600) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;

    /* Font Weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Line Heights */
    --line-height-tight: 1.1;
    --line-height-snug: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow-primary: 0 0 40px rgba(30, 77, 140, 0.4);
    --shadow-glow-secondary: 0 0 40px rgba(45, 212, 191, 0.3);
    --shadow-glow-accent: 0 0 40px rgba(245, 158, 11, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;

    /* Container */
    --container-max: 1200px;
    --container-padding: var(--space-6);
}

/* ========================================
   CSS Reset & Base Styles
   ======================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-regular);
    line-height: var(--line-height-normal);
    color: var(--color-neutral-100);
    background-color: var(--color-primary-900);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* Selection */
::selection {
    background-color: var(--color-secondary-500);
    color: var(--color-primary-900);
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-secondary-400);
    outline-offset: 2px;
}

/* ========================================
   Utility Classes
   ======================================== */

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

.highlight {
    background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-3) 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
}

.logo-text {
    color: var(--color-white);
}

.logo-accent {
    color: var(--color-secondary-400);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-300);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-tech);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient-tech);
    color: var(--color-primary-900) !important;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: var(--font-semibold);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-secondary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.nav-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-primary-800);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-8);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-2xl);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: var(--font-size-lg);
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-32) 0 var(--space-16);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(45, 212, 191, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(30, 77, 140, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid rgba(45, 212, 191, 0.3);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-secondary-400);
    margin-bottom: var(--space-6);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary-400);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    font-weight: var(--font-extrabold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
}

.title-line {
    display: block;
}

.title-accent {
    background: linear-gradient(135deg, var(--color-secondary-400), var(--color-accent-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: var(--font-medium);
    color: var(--color-neutral-200);
    margin-bottom: var(--space-4);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-400);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
    max-width: 500px;
}

.hero-description strong {
    color: var(--color-white);
}

.hero-roles {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.role-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--color-neutral-300);
}

.role-tag svg {
    color: var(--color-secondary-400);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: var(--font-semibold);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-tech);
    color: var(--color-primary-900);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-secondary);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-secondary-400);
    color: var(--color-secondary-400);
}

.btn-outline:hover {
    background: var(--color-secondary-400);
    color: var(--color-primary-900);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
}

.hero-image-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.3) 0%, transparent 70%);
    filter: blur(40px);
    z-index: -1;
}

.hero-image {
    width: 100%;
    aspect-ratio: 1/1;
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-neutral-500);
}

.image-placeholder svg {
    opacity: 0.5;
}

.image-placeholder span {
    font-size: var(--font-size-lg);
    font-weight: var(--font-medium);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.card-icon {
    font-size: var(--font-size-xl);
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    right: -15%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 5%;
    left: -5%;
    animation-delay: 4s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-neutral-400);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(5px);
    }
}

/* Hero Mobile */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
    }

    .hero-description {
        max-width: none;
    }

    .hero-badge,
    .hero-roles,
    .hero-cta {
        justify-content: center;
    }

    .hero-image-wrapper {
        max-width: 300px;
    }

    .floating-card {
        display: none;
    }
}

/* Newsletter Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: -1;
    /* Changed from 10000 to -1 to hide initially but keep in DOM */
    opacity: 0;
    pointer-events: none;
    /* Replaces visibility: hidden to allow layout calculation */
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.modal-overlay.active {
    opacity: 1;
    z-index: 10000;
    pointer-events: auto;
}

.modal-container {
    background: #fff;
    width: 90%;
    max-width: 600px;
    border-radius: 16px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #f1f1f1;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: #333;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #e7e7e7;
    transform: rotate(90deg);
}

.modal-body {
    background: #fff;
    min-height: 200px;
    /* Ensure iframe has white bg behind it */
}

/* Hide modal on mobile if screen is too small */
@media (max-height: 600px) {
    .modal-container {
        height: 90vh;
        overflow-y: auto;
    }
}