/* ==========================================================================
   Starling Construction - Premium Stylesheet
   ========================================================================== */

/* --- CSS Variables & Theming --- */
:root {
    /* Colors */
    --color-primary: #1A365D;
    /* Deep, professional navy */
    --color-primary-light: #2A4A7F;
    --color-secondary: #D4AF37;
    /* Premium gold accent */
    --color-secondary-hover: #C5A028;
    --color-text-main: #2D3748;
    --color-text-muted: #718096;
    --color-bg-light: #F7FAFC;
    --color-bg-white: #FFFFFF;
    --color-border: #E2E8F0;

    /* Typography */
    --font-main: 'Outfit', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions & Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows */
    --shadow-sm: 0 2px 4px 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 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* --- Reset & Base Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    background-color: var(--color-bg-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- Preloader --- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-white);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.preloader-logo {
    height: 120px;
    /* Increased from 60px to 120px */
    width: auto;
    margin-bottom: 20px;
    animation: pulse 2s infinite ease-in-out;
}

.loader-line {
    width: 100px;
    height: 3px;
    background-color: var(--color-border);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.loader-line::after {
    content: '';
    position: absolute;
    left: -50%;
    top: 0;
    height: 100%;
    width: 50%;
    background-color: var(--color-secondary);
    animation: loading 1.5s infinite linear;
    border-radius: 2px;
}

@keyframes loading {
    0% {
        left: -50%;
    }

    100% {
        left: 100%;
    }
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
    }

    100% {
        transform: scale(0.95);
        opacity: 0.8;
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

section {
    padding: var(--spacing-xl) 0;
}

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

/* --- Typography Utilities --- */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    /* Slightly square for a construction feel */
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-normal);
    text-align: center;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.btn-primary:hover {
    background-color: var(--color-secondary-hover);
    border-color: var(--color-secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-bg-white);
    border-color: var(--color-bg-white);
}

.btn-outline:hover {
    background-color: var(--color-bg-white);
    color: var(--color-primary);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
}

/* --- Header & Navigation --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
    padding: var(--spacing-sm) 0;
}

.site-header.scrolled {
    padding: 0.5rem 0;
}

.site-header.menu-open {
    background-color: var(--color-bg-white) !important;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 4px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text-main);
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

main {
    margin-top: 76px;
    /* Offset for fixed header */
}

/* --- Hero Section Macro --- */
.hero-section {
    position: relative;
    height: calc(100vh - 76px);
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 0;
    overflow: hidden;
    margin-top: -76px;
    /* Pull up under transparent header if needed, but we use solid */
}

/* For pages where hero needs to start from top because header might be transparent */
body.home-page main {
    margin-top: 0;
}

body.home-page .site-header {
    background-color: transparent;
    box-shadow: none;
}

body.home-page .site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

body.home-page .site-header:not(.scrolled):not(.menu-open) .nav-links a,
body.home-page .site-header:not(.scrolled):not(.menu-open) .logo-text,
body.home-page .site-header:not(.scrolled):not(.menu-open) .mobile-menu-toggle {
    color: var(--color-bg-white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 54, 93, 0.9) 0%, rgba(26, 54, 93, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-bg-white);
}

.hero-text {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--color-bg-white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 2;
    color: var(--color-bg-white);
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    font-size: 1.5rem;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    40% {
        transform: translateY(-10px) translateX(-50%);
    }

    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* --- Section Headers --- */
.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header.align-center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.section-title {
    font-size: clamp(2rem, 3vw, 3rem);
}

.section-description {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-top: 1rem;
}

/* --- Service Cards --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-bg-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-secondary);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: var(--transition-normal);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleY(1);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-desc {
    color: var(--color-text-muted);
}

/* --- Check Lists --- */
.check-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 500;
}

.check-icon {
    color: var(--color-secondary);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* --- Content Layouts --- */
.split-layout {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.split-content {
    flex: 1;
}

.split-media {
    flex: 1;
    position: relative;
}

.split-image {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.image-accent {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    width: 60%;
    border: 10px solid var(--color-bg-light);
    border-radius: 8px;
    z-index: 2;
}

/* --- Contact Info Grid --- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.contact-card {
    background-color: var(--color-bg-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    text-align: center;
    border-top: 4px solid var(--color-primary);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.contact-card h3 {
    margin-bottom: 0.5rem;
}

.contact-card p,
.contact-card a {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

/* --- Footer --- */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    padding: var(--spacing-xl) 0 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-desc {
    opacity: 0.8;
    
}

.footer-links h3,
.footer-contact h3 {
    color: var(--color-bg-white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-secondary);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.footer-contact i {
    color: var(--color-secondary);
    font-size: 1.25rem;
    margin-top: 3px;
}

.footer-bottom {
    background-color: #122643;
    padding: 1.5rem 0;
    text-align: center;
    opacity: 0.8;
    font-size: 0.875rem;
}

/* --- Scroll Animations (Intersection Observer) --- */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* Add delays for iterating children */
.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

.delay-400 {
    transition-delay: 400ms;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    /* stack split layouts vertically and ensure content stays above media
       (override inline row-reverse on about page) */
    .split-layout {
        flex-direction: column !important;
        gap: 2rem;
    }

    /* ensure the text block appears first and video follows */
    .split-content {
        order: 1;
    }
    .split-media {
        order: 2;
    }

    .image-accent {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    /* make in-house trades video full width and maintain aspect ratio */
    .inhouse-video,
    .split-media video {
        width: 100% !important;
        height: auto !important;
        object-fit: contain !important;
    }
}

@media (max-height: 700px),
(max-width: 768px) {
    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 76px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 76px);
        background-color: var(--color-bg-white);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition-normal);
        padding: 2rem;
    }

    .main-nav.active {
        left: 0;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        width: 100%;
        gap: 2rem;
    }

    .nav-links a {
        font-size: 1.5rem;
        color: var(--color-primary) !important;
    }

    .nav-cta {
        margin-top: 2rem;
        width: 100%;
        max-width: 300px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    /* keep hero content below fixed header on phones */
    .hero-section {
        margin-top: 0;
        padding-top: 76px; /* same offset as header height */
        height: calc(100vh - 76px);
    }

    /* slow down fade animations on mobile for a more premium feel */
    .fade-in-up,
    .fade-in-left,
    .fade-in-right {
        transition-duration: 0.8s !important;
    }

    .delay-100 {
        transition-delay: 200ms !important;
    }
    .delay-200 {
        transition-delay: 400ms !important;
    }
    .delay-300 {
        transition-delay: 600ms !important;
    }
    .delay-400 {
        transition-delay: 800ms !important;
    }
}