/* =====================================================
   C.E.S Renovations - Main Stylesheet
   ===================================================== */

/* =====================================================
   CSS Custom Properties (Design Tokens)
   ===================================================== */
:root {
    /* Colors - Brand Blue Primary Palette */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-primary-lighter: #eff6ff;

    /* Deep Navy for Dark Sections */
    --color-dark: #1e293b;
    --color-dark-light: #334155;
    --color-dark-lighter: #475569;

    /* Neutrals */
    --color-charcoal: #2d2d2d;
    --color-gray-700: #4a4a4a;
    --color-gray-500: #6b7280;
    --color-gray-300: #d1d5db;
    --color-gray-100: #f3f4f6;
    --color-off-white: #fafafa;
    --color-white: #ffffff;

    /* Accent - Coral for CTAs and highlights */
    --color-accent: #dc2626;
    --color-accent-dark: #b91c1c;
    --color-accent-light: #fef2f2;

    /* Semantic */
    --color-success: #10b981;
    --color-error: #ef4444;

    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* 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;

    /* 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);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

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

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* =====================================================
   Accessibility: Skip Link
   ===================================================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-family: var(--font-heading);
    font-weight: var(--font-semibold);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 2px;
}

/* =====================================================
   Accessibility: Focus Indicators
   ===================================================== */
/* Global focus styles for keyboard navigation */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Remove default focus for mouse users */
:focus:not(:focus-visible) {
    outline: none;
}

/* Enhanced focus for navigation links */
.nav__link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.header.scrolled .nav__link:focus-visible {
    outline-color: var(--color-primary);
}

/* Focus styles for buttons */
.btn:focus-visible {
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 3px;
}

/* Focus styles for form elements */
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
    border-color: var(--color-primary);
}

/* Focus styles for interactive cards and zoom buttons */
.project-card__zoom:focus-visible,
.service-card__link:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

/* =====================================================
   Accessibility: Reduced Motion
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    /* Disable parallax effect */
    .hero__background {
        transform: none !important;
    }
    
    /* Disable bounce animation */
    .hero__scroll-link {
        animation: none;
    }
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-relaxed);
    color: var(--color-charcoal);
    background-color: var(--color-off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* =====================================================
   Typography
   ===================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-charcoal);
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-xl);
}

h4 {
    font-size: var(--text-lg);
}

@media (min-width: 768px) {
    h1 {
        font-size: var(--text-5xl);
    }

    h2 {
        font-size: var(--text-4xl);
    }

    h3 {
        font-size: var(--text-2xl);
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: var(--text-6xl);
    }
}

/* =====================================================
   Layout & Container
   ===================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-16) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-20) 0;
    }
}

@media (min-width: 1024px) {
    .section {
        padding: var(--space-24) 0;
    }
}

/* Section Headers */
.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section__subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

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

.section__description {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: 1;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

.btn--outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

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

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

.btn--accent:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--full {
    width: 100%;
}

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

.spinner {
    animation: rotate 2s linear infinite;
    width: 20px;
    height: 20px;
}

.spinner .path {
    stroke: currentColor;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }

    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }

    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* =====================================================
   Header / Navigation
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    background-color: transparent;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.header.scrolled .nav__link:hover,
.header.scrolled .nav__link.active {
    color: var(--color-primary);
}

.header.scrolled .nav__toggle svg {
    stroke: var(--color-charcoal);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo-img {
    height: 50px;
    width: auto;
    transition: opacity 0.3s ease;
}

/* Logo swap - white logo by default, colored when scrolled */
.nav__logo-white {
    display: block;
}

.nav__logo-color {
    display: none;
}

.header.scrolled .nav__logo-white {
    display: none;
}

.header.scrolled .nav__logo-color {
    display: block;
}

.nav__menu {
    display: flex;
    align-items: center;
}

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

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-white);
    position: relative;
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link--cta {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
}

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

.nav__link--cta:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
}

.nav__toggle,
.nav__close {
    display: none;
    color: var(--color-white);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-white);
        padding: var(--space-16) var(--space-6);
        flex-direction: column;
        align-items: flex-start;
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-base);
        z-index: var(--z-modal);
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-6);
        width: 100%;
    }

    .nav__link {
        color: var(--color-charcoal);
        font-size: var(--text-lg);
    }

    .nav__link--cta {
        width: 100%;
        text-align: center;
        margin-top: var(--space-4);
    }

    .nav__close {
        display: flex;
        position: absolute;
        top: var(--space-6);
        right: var(--space-6);
        color: var(--color-charcoal);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle svg {
        stroke: var(--color-white);
    }
}

/* =====================================================
   Language Toggle
   ===================================================== */
.lang-toggle {
    position: relative;
    margin-left: var(--space-4);
}

.lang-toggle__btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-toggle__btn:hover {
    background-color: rgba(255, 255, 255, 0.25);
}

.header.scrolled .lang-toggle__btn {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-300);
    color: var(--color-charcoal);
}

.header.scrolled .lang-toggle__btn:hover {
    background-color: var(--color-primary-lighter);
    border-color: var(--color-primary);
}

.lang-toggle__arrow {
    transition: transform var(--transition-fast);
}

.lang-toggle.active .lang-toggle__arrow {
    transform: rotate(180deg);
}

.lang-toggle__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.lang-toggle.active .lang-toggle__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-toggle__option {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-charcoal);
    background: none;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.lang-toggle__option:hover {
    background-color: var(--color-gray-100);
}

.lang-toggle__option.active {
    background-color: var(--color-primary-lighter);
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

@media (max-width: 767px) {
    .lang-toggle {
        position: fixed;
        top: var(--space-6);
        right: var(--space-16);
        z-index: calc(var(--z-fixed) + 1);
    }

    .lang-toggle__btn {
        background-color: rgba(255, 255, 255, 0.9);
        color: var(--color-charcoal);
        border-color: var(--color-gray-300);
    }

    .header.scrolled .lang-toggle__btn {
        background-color: var(--color-gray-100);
    }
}

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

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero__background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Dark overlay with deep teal tint */
    background: linear-gradient(135deg,
            rgba(27, 73, 101, 0.9) 0%,
            rgba(27, 73, 101, 0.8) 50%,
            rgba(45, 45, 45, 0.85) 100%);
}

.hero__background::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to top, var(--color-off-white), transparent);
}

.hero__content {
    text-align: center;
    color: var(--color-white);
    padding: var(--space-16) var(--space-4);
    max-width: 900px;
}

.hero__badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__title {
    color: var(--color-white);
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero__title-accent {
    color: var(--color-primary);
    -webkit-text-fill-color: var(--color-primary);
}

.hero__description {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

@media (min-width: 768px) {
    .hero__description {
        font-size: var(--text-xl);
    }
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    justify-content: center;
    align-items: center;
}

@media (min-width: 480px) {
    .hero__buttons {
        flex-direction: row;
    }
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
}

.hero__scroll-link {
    display: flex;
    color: var(--color-white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {

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

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

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

/* =====================================================
   About Section
   ===================================================== */
.about {
    background-color: var(--color-white);
}

.about__content {
    display: grid;
    gap: var(--space-12);
}

@media (min-width: 768px) {
    .about__content {
        grid-template-columns: 1fr auto;
        align-items: start;
        gap: var(--space-16);
    }
}

.about__text .section__subtitle {
    display: block;
    margin-bottom: var(--space-3);
}

.about__text .section__title {
    margin-bottom: var(--space-6);
}

.about__description {
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
}

.about__description:last-of-type {
    margin-bottom: var(--space-8);
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.about__feature {
    display: flex;
    gap: var(--space-4);
}

.about__feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-lighter);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
}

.about__feature-text h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.about__feature-text p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    text-align: center;
}

@media (min-width: 768px) {
    .about__stats {
        grid-template-columns: 1fr;
        padding: var(--space-10);
    }
}

.about__stat {
    color: var(--color-white);
}

.about__stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    line-height: 1;
    margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
    .about__stat-number {
        font-size: var(--text-4xl);
    }
}

.about__stat-number::after {
    content: '+';
}

.about__stat-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

@media (min-width: 768px) {
    .about__stat-label {
        font-size: var(--text-sm);
    }
}

/* =====================================================
   Services Section
   ===================================================== */
.services {
    background-color: var(--color-off-white);
}

.services__grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.service-card {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-100);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-lighter);
}

.service-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-lighter) 0%, #d4edef 100%);
    color: var(--color-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.service-card__title {
    margin-bottom: var(--space-3);
}

.service-card__description {
    color: var(--color-gray-500);
    margin-bottom: var(--space-6);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    transition: gap var(--transition-base), color var(--transition-base);
}

.service-card__link:hover {
    gap: var(--space-3);
    color: var(--color-accent-dark);
}

/* =====================================================
   Projects Section
   ===================================================== */
.projects {
    background-color: var(--color-white);
}

.projects__grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .projects__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.project-card__image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image img {
    transform: scale(1.1);
}

.project-card__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: var(--space-4);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-card__overlay {
    opacity: 1;
}

.project-card__category {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-white);
    background-color: var(--color-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.project-card__zoom {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.project-card__zoom:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.project-card__content {
    padding: var(--space-5);
    background-color: var(--color-white);
}

.project-card__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.project-card__location {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* =====================================================
   Reviews Section
   ===================================================== */
.reviews {
    background-color: var(--color-gray-100);
}

.reviews__grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .reviews__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .reviews__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.review-card__rating {
    color: #f59e0b;
    font-size: var(--text-lg);
    letter-spacing: 2px;
}

.review-card__quote {
    color: var(--color-gray-700);
    font-style: italic;
    line-height: var(--leading-relaxed);
    flex-grow: 1;
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-100);
}

.review-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

.review-card__name {
    font-size: var(--text-base);
    color: var(--color-charcoal);
    margin-bottom: var(--space-1);
}

.review-card__project {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* =====================================================
   Contact Section
   ===================================================== */
.contact {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
}

.contact__wrapper {
    display: grid;
    gap: var(--space-12);
}

@media (min-width: 1024px) {
    .contact__wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
        align-items: start;
    }
}

.contact__info .section__subtitle {
    color: rgba(255, 255, 255, 0.9);
    background-color: rgba(255, 255, 255, 0.15);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
}

.contact__info .section__title {
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.contact__description {
    opacity: 0.9;
    margin-bottom: var(--space-8);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact__detail {
    display: flex;
    gap: var(--space-4);
}

.contact__detail-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

.contact__detail-text h3 {
    font-size: var(--text-base);
    color: var(--color-white);
    margin-bottom: var(--space-1);
}

.contact__detail-text p,
.contact__detail-text a {
    color: rgba(255, 255, 255, 0.8);
}

.contact__detail-text a:hover {
    color: var(--color-white);
}

/* WhatsApp Button */
.contact__whatsapp {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
    padding: var(--space-4) var(--space-6);
    background-color: #25D366;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact__whatsapp:hover {
    background-color: #1ebe5d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.contact__whatsapp svg {
    flex-shrink: 0;
}

.contact__image {
    margin-top: var(--space-8);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact__image img {
    width: 100%;
    height: auto;
    display: block;
}

.contact__form-wrapper {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

@media (min-width: 768px) {
    .contact__form-wrapper {
        padding: var(--space-10);
    }
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form__row {
    display: grid;
    gap: var(--space-5);
}

@media (min-width: 640px) {
    .form__row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form__label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-charcoal);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: var(--space-4);
    background-color: var(--color-gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--color-charcoal);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    background-color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-lighter);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-gray-500);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.form__message {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: var(--font-medium);
}

.form__message.success {
    background-color: #d1fae5;
    color: #065f46;
}

.form__message.error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__content {
    display: grid;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
    .footer__content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer__content {
        grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    }
}

.footer__logo img {
    height: 50px;
    margin-bottom: var(--space-4);
}

.footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    max-width: 280px;
}

.footer__title {
    font-size: var(--text-lg);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__list a {
    color: var(--color-gray-300);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-white);
}

.footer__contact-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-300);
    font-size: var(--text-sm);
}

.footer__contact-list svg {
    flex-shrink: 0;
    color: var(--color-primary-light);
}

.footer__bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* =====================================================
   Carousel Lightbox
   ===================================================== */
.carousel-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.carousel-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.carousel-lightbox__close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    z-index: 10;
}

.carousel-lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.carousel-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    z-index: 10;
}

.carousel-lightbox__nav:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.carousel-lightbox__nav:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-lightbox__nav--prev {
    left: var(--space-6);
}

.carousel-lightbox__nav--next {
    right: var(--space-6);
}

.carousel-lightbox__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90%;
    max-height: 85vh;
}

.carousel-lightbox__image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    transform: scale(0.9);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.carousel-lightbox.active .carousel-lightbox__image {
    transform: scale(1);
    opacity: 1;
}

.carousel-lightbox__info {
    text-align: center;
    color: var(--color-white);
    margin-top: var(--space-6);
}

.carousel-lightbox__title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-white);
}

.carousel-lightbox__counter {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 767px) {
    .carousel-lightbox__nav {
        width: 44px;
        height: 44px;
    }

    .carousel-lightbox__nav--prev {
        left: var(--space-2);
    }

    .carousel-lightbox__nav--next {
        right: var(--space-2);
    }

    .carousel-lightbox__image {
        max-height: 60vh;
    }
}

/* =====================================================
   Animations
   ===================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered animations for grids */
.services__grid .service-card,
.projects__grid .project-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.services__grid .service-card.visible,
.projects__grid .project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================
   Utility Classes
   ===================================================== */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* Hero Text Reveal Animation */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

/* Hero content animations */
.hero__badge {
    opacity: 0;
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero__title {
    opacity: 0;
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

.hero__title-accent {
    display: inline-block;
    opacity: 0;
    animation: fadeInScale 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero__description {
    opacity: 0;
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero__buttons {
    opacity: 0;
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

/* Staggered card animations with delays */
.service-card:nth-child(1) {
    transition-delay: 0s;
}

.service-card:nth-child(2) {
    transition-delay: 0.1s;
}

.service-card:nth-child(3) {
    transition-delay: 0.2s;
}

.service-card:nth-child(4) {
    transition-delay: 0.3s;
}

.project-card:nth-child(1) {
    transition-delay: 0s;
}

.project-card:nth-child(2) {
    transition-delay: 0.1s;
}

.project-card:nth-child(3) {
    transition-delay: 0.15s;
}

.project-card:nth-child(4) {
    transition-delay: 0.2s;
}

.project-card:nth-child(5) {
    transition-delay: 0.25s;
}

.project-card:nth-child(6) {
    transition-delay: 0.3s;
}

.review-card:nth-child(1) {
    transition-delay: 0s;
}

.review-card:nth-child(2) {
    transition-delay: 0.1s;
}

.review-card:nth-child(3) {
    transition-delay: 0.2s;
}

/* Review cards animation */
.reviews__grid .review-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reviews__grid .review-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stats counter animation styling */
.about__stat-number {
    transition: transform 0.3s ease;
}

.about__stat-number.counting {
    transform: scale(1.05);
}

/* Parallax hero background */
.hero__background {
    will-change: transform;
    transition: transform 0.1s linear;
}

/* About features stagger */
.about__feature {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.about__feature.visible {
    opacity: 1;
    transform: translateX(0);
}

.about__feature:nth-child(1) {
    transition-delay: 0s;
}

.about__feature:nth-child(2) {
    transition-delay: 0.15s;
}

.about__feature:nth-child(3) {
    transition-delay: 0.3s;
}

/* Stats animation */
.about__stats {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Smooth hover effects for cards */
.service-card {
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-card {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.project-card:hover .project-card__image img {
    transform: scale(1.08);
}

.review-card {
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero__badge,
    .hero__title,
    .hero__title-accent,
    .hero__description,
    .hero__buttons {
        opacity: 1;
        animation: none;
    }
}