/* =============================================
   Cornerstone Builders — Stylesheet
   Warm / Light / Premium Aesthetic
   ============================================= */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* ---------- Design Tokens ---------- */
:root {
    /* Warm neutrals */
    --cream: #FDF8F0;
    --cream-dark: #F5EDE0;
    --tan: #D4C4A8;
    --tan-dark: #B5A488;
    --gold: #C8A96E;
    --gold-light: #DBBF8A;
    --charcoal: #2C2C2C;
    --charcoal-mid: #4A4A4A;
    --charcoal-lt: #6B6B6B;
    --white: #FFFFFF;
    --overlay: rgba(44, 44, 44, 0.55);

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;

    /* Spacing */
    --section-py: 100px;
    --container-w: 1200px;

    /* Transitions */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition: 0.35s var(--ease-out);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--charcoal);
    background: var(--cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ---------- Utility ---------- */
.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 24px;
}

.section-label {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--charcoal);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--charcoal-lt);
    max-width: 600px;
    line-height: 1.8;
}

/* Scroll-reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* =============================================
   HEADER / NAV
   ============================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.site-header.scrolled {
    background: rgba(253, 248, 240, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
    padding: 12px 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
    transition: color var(--transition);
}

.site-header.scrolled .logo {
    color: var(--charcoal);
}

.logo span {
    color: var(--gold);
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    transition: color var(--transition);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.site-header.scrolled .nav-links a {
    color: var(--charcoal-mid);
    text-shadow: none;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width var(--transition);
}

.nav-links a:hover {
    color: var(--gold);
}

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

.nav-cta {
    padding: 10px 24px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--white);
    background: var(--gold);
    border-radius: 4px;
    transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
    background: var(--tan-dark);
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.site-header.scrolled .hamburger span {
    background: var(--charcoal);
}

/* =============================================
   HERO
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('images/hero.png') center/cover no-repeat;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(44, 44, 44, 0.6) 0%,
            rgba(44, 44, 44, 0.25) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding-top: 80px;
}

.hero-label {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold-light);
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}

.hero-title em {
    font-style: italic;
    color: var(--gold-light);
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.7s forwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.9s forwards;
}

.btn-primary {
    padding: 14px 36px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--white);
    background: var(--gold);
    border-radius: 4px;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
    background: var(--tan-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 169, 110, 0.35);
}

.btn-outline {
    padding: 14px 36px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--white);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-scroll .line {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.4);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.6);
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* =============================================
   ABOUT
   ============================================= */
.about {
    padding: var(--section-py) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.6s var(--ease-out);
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -12px;
    right: -12px;
    width: 140px;
    height: 140px;
    border: 2px solid var(--gold);
    border-radius: 8px;
    z-index: -1;
}

.about-text .section-subtitle {
    margin-bottom: 30px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--cream-dark);
}

.stat-item h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.stat-item p {
    font-size: 0.8rem;
    color: var(--charcoal-lt);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

/* =============================================
   SERVICES
   ============================================= */
.services {
    padding: var(--section-py) 0;
    background: var(--cream-dark);
}

.services-header {
    text-align: center;
    margin-bottom: 60px;
}

.services-header .section-subtitle {
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 8px;
    padding: 48px 36px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--cream);
    color: var(--gold);
    font-size: 1.5rem;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--charcoal-lt);
    line-height: 1.7;
}

/* =============================================
   PORTFOLIO / GALLERY
   ============================================= */
.portfolio {
    padding: var(--section-py) 0;
}

.portfolio-header {
    text-align: center;
    margin-bottom: 60px;
}

.portfolio-header .section-subtitle {
    margin: 0 auto;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(44, 44, 44, 0.7), transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 28px;
    opacity: 0;
    transition: opacity var(--transition);
}

.portfolio-item:hover img {
    transform: scale(1.06);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-family: var(--font-heading);
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.82rem;
    margin-top: 4px;
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials {
    padding: var(--section-py) 0;
    background: var(--cream-dark);
}

.testimonials-header {
    text-align: center;
    margin-bottom: 60px;
}

.testimonials-header .section-subtitle {
    margin: 0 auto;
}

.testimonial-slider {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    min-height: 250px;
}

.testimonial-slide {
    display: none;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    transition: opacity 0.6s var(--ease-out);
}

.testimonial-slide.active {
    display: flex;
    opacity: 1;
}

.testimonial-quote {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-style: italic;
    line-height: 1.8;
    color: var(--charcoal-mid);
    margin-bottom: 28px;
    position: relative;
}

.testimonial-quote::before {
    content: '\201C';
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--gold);
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    line-height: 1;
}

.testimonial-author {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--charcoal);
}

.testimonial-location {
    font-size: 0.8rem;
    color: var(--charcoal-lt);
    margin-top: 4px;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 36px;
}

.testimonial-dots button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--tan);
    transition: background var(--transition), transform var(--transition);
}

.testimonial-dots button.active {
    background: var(--gold);
    transform: scale(1.3);
}

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
    padding: 80px 0;
    background: var(--charcoal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(200, 169, 110, 0.1), transparent);
}

.cta-banner .section-label {
    color: var(--gold-light);
}

.cta-banner .section-title {
    color: var(--white);
}

.cta-banner .section-subtitle {
    color: rgba(255, 255, 255, 0.65);
    margin: 0 auto 40px;
}

.cta-banner .btn-primary {
    font-size: 0.9rem;
    padding: 16px 44px;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
    padding: var(--section-py) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--cream-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-info-item p {
    font-size: 0.9rem;
    color: var(--charcoal-lt);
    line-height: 1.6;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--charcoal-mid);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 0.92rem;
    border: 1.5px solid var(--cream-dark);
    border-radius: 6px;
    background: var(--white);
    color: var(--charcoal);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn-primary {
    align-self: flex-start;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
    background: var(--charcoal);
    color: rgba(255, 255, 255, 0.6);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand .logo {
    color: var(--white);
    font-size: 1.3rem;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.88rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 0.88rem;
    margin-bottom: 10px;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--gold-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .about-grid {
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-py: 70px;
    }

    /* Nav */
    .nav-links,
    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--cream);
        padding: 24px;
        gap: 20px;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    }

    .nav-links.open+.nav-cta-wrap .nav-cta {
        display: inline-block;
    }

    /* Hero */
    .hero-title {
        font-size: clamp(2rem, 7vw, 3rem);
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image img {
        height: 350px;
    }

    .about-image::after {
        display: none;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

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

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

    .hero-buttons a {
        text-align: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        text-align: center;
    }
}