/*
Theme Name: Stratford Investment Holdings
Theme URI: https://stratford.com.au
Author: Stratford Investment Holdings
Description: A refined, minimal theme for Stratford Investment Holdings - communicating established wealth, long-term thinking, and operational excellence.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: stratford
*/

/* ==========================================================================
   CSS Custom Properties - Design Tokens
   ========================================================================== */

:root {
    /* Color Palette */
    --color-navy: #0A2540;
    --color-navy-light: #143A5C;
    --color-copper: #C9A962;
    --color-copper-dark: #A88B4A;
    --color-copper-light: #D4BC7D;
    --color-text: #1C2B3A;
    --color-text-muted: #5A6B7D;
    --color-background: #FAFBFC;
    --color-white: #FFFFFF;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    /* Typography */
    --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.4rem + 2.35vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.5rem + 3.75vw, 3.5rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 4.5rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 800px;
    --max-width-wide: 1400px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-slower: 800ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* ==========================================================================
   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-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
}

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

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

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-navy);
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); font-weight: 700; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-muted);
}

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

a:hover {
    color: var(--color-copper);
}

.lead {
    font-size: var(--text-xl);
    line-height: 1.6;
    color: var(--color-text-muted);
}

.overline {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-copper);
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

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

.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section--navy {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.section--navy h2,
.section--navy h3,
.section--navy h4 {
    color: var(--color-white);
}

.section--navy p {
    color: rgba(255, 255, 255, 0.75);
}

.section--navy .overline {
    color: var(--color-copper-light);
}

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

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md) 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    cursor: pointer;
}

.site-logo-text {
    font-family: 'Aptos', var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.site-logo-tagline {
    font-family: 'Aptos', var(--font-display);
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--color-navy);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

.site-logo:hover .site-logo-text,
.site-logo:hover .site-logo-tagline {
    color: var(--color-copper);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.site-nav a {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-navy);
    position: relative;
    cursor: pointer;
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-copper);
    transition: width var(--transition-base);
}

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-background) 0%, #F0F4F8 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 37, 64, 0.03) 100%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

/* Geometric accent lines */
.hero-accent {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    border: 1px solid var(--color-border);
    opacity: 0.5;
    transform: rotate(45deg);
}

.hero-accent::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 50px;
    right: -50px;
    bottom: -50px;
    border: 1px solid var(--color-border);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-slower) forwards;
}

.hero .lead {
    margin-bottom: var(--space-2xl);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-slower) 0.15s forwards;
}

.hero .btn {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-slower) 0.3s forwards;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-navy);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-copper);
    transition: left var(--transition-base);
    z-index: 0;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    color: var(--color-navy);
}

.btn-primary:hover::before {
    left: 0;
}

.btn-secondary {
    background: transparent;
    color: var(--color-navy);
    border: 1px solid var(--color-navy);
}

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

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ==========================================================================
   Mandate / About Section
   ========================================================================== */

.mandate {
    background: var(--color-white);
}

.mandate-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.mandate-content .overline {
    margin-bottom: var(--space-md);
}

.mandate-content h2 {
    margin-bottom: var(--space-xl);
}

.strategy-list {
    list-style: none;
    margin-top: var(--space-xl);
}

.strategy-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--color-navy);
}

.strategy-list li:last-child {
    border-bottom: none;
}

.strategy-list .list-icon {
    width: 24px;
    height: 24px;
    color: var(--color-copper);
    flex-shrink: 0;
    margin-top: 2px;
}

.mandate-visual {
    position: relative;
    height: 500px;
}

.mandate-visual::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 1px solid var(--color-border);
    z-index: -1;
}

.mandate-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.8);
}

.mandate-stat {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--color-copper);
    padding: var(--space-xl);
    z-index: 1;
}

.mandate-stat .stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1;
}

.mandate-stat .stat-label {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-navy);
    margin-top: var(--space-xs);
}

/* ==========================================================================
   Investment Focus Section
   ========================================================================== */

.investment-focus {
    background: var(--color-background);
    position: relative;
}

.investment-focus::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--color-border), transparent);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-4xl);
}

.section-header .overline {
    margin-bottom: var(--space-md);
}

.section-header h2 {
    margin-bottom: var(--space-lg);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.focus-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    position: relative;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.focus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-copper);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.focus-card:hover::before {
    transform: scaleX(1);
}

.focus-icon {
    width: 48px;
    height: 48px;
    color: var(--color-copper);
    margin-bottom: var(--space-lg);
}

.focus-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.focus-card p {
    margin-bottom: 0;
    font-size: var(--text-sm);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    background: var(--color-navy);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.about::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.about-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    margin-bottom: var(--space-xl);
}

.about-content p {
    font-size: var(--text-lg);
}

.about-divider {
    width: 60px;
    height: 1px;
    background: var(--color-copper);
    margin: var(--space-2xl) auto;
}

/* ==========================================================================
   Contact / Enquiries Section
   ========================================================================== */

.enquiries {
    background: var(--color-white);
    text-align: center;
}

.enquiries-content {
    max-width: 500px;
    margin: 0 auto;
}

.enquiries .overline {
    margin-bottom: var(--space-md);
}

.enquiries h2 {
    margin-bottom: var(--space-lg);
}

.enquiries p {
    margin-bottom: var(--space-xl);
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy);
    padding: var(--space-md) var(--space-xl);
    border: 2px solid var(--color-navy);
    transition: all var(--transition-base);
}

.email-link:hover {
    background: var(--color-navy);
    color: var(--color-white);
}

.email-link svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: var(--color-navy);
    padding: var(--space-2xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
}

.footer-logo-text {
    font-family: 'Aptos', var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.footer-logo-tagline {
    font-family: 'Aptos', var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.footer-text {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scroll-triggered animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   Mobile Menu
   ========================================================================== */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-navy);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.mobile-nav a {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-navy);
    text-decoration: none;
    cursor: pointer;
    transition: color var(--transition-fast);
    opacity: 0;
    transform: translateY(20px);
}

.mobile-nav-overlay.active .mobile-nav a {
    opacity: 1;
    transform: translateY(0);
}

.mobile-nav-overlay.active .mobile-nav a:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav-overlay.active .mobile-nav a:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav-overlay.active .mobile-nav a:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav-overlay.active .mobile-nav a:nth-child(4) { transition-delay: 0.25s; }

.mobile-nav a:hover {
    color: var(--color-copper);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
    .mandate-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .mandate-visual {
        height: 400px;
        order: -1;
    }

    .focus-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-4xl) 0;
    }

    .container {
        padding: 0 var(--space-lg);
    }

    .site-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: calc(var(--space-5xl) + 60px) 0 var(--space-5xl);
    }

    .hero-accent {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .mandate-stat {
        padding: var(--space-lg);
    }

    .mandate-stat .stat-number {
        font-size: var(--text-3xl);
    }
}