/* ===== PREMIUM EDITORIAL DESIGN SYSTEM =====
 * Lando Norris Loader + Tresmares Parallax + Editorial Minimalism
 * Created: 2026-06-30
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600&display=swap');

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

/* ===== CUSTOM PROPERTIES ===== */
:root {
    /* Colors */
    --color-bg: #FAFAF9;
    --color-bg-white: #FFFFFF;
    --color-text: #18181B;
    --color-text-secondary: #52525B;
    --color-text-muted: #A1A1AA;
    --color-accent: #0A66C2;
    --color-border: #E4E4E7;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Fraunces', Georgia, serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    --font-size-hero: clamp(3rem, 8vw, 7rem);
    --font-size-display: clamp(2.5rem, 5vw, 3.5rem);
    --font-size-price: clamp(3rem, 6vw, 5rem);

    /* Spacing */
    --space-2: 0.5rem;
    --space-4: 1rem;
    --space-6: 2rem;
    --space-8: 3rem;
    --space-12: 6rem;
    --space-20: 10rem;

    /* Easing */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Transitions */
    --transition-fast: 0.2s var(--ease-out);
    --transition-base: 0.4s var(--ease-out);
    --transition-slow: 0.6s var(--ease-out);
}

/* ===== BASE STYLES ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

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

/* ===== LOADER (Lando Norris Style) ===== */
.loader {
    position: fixed;
    inset: 0;
    background: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}

.loader.hide {
    opacity: 0;
    visibility: hidden;
}

.loader__content {
    text-align: center;
    color: var(--color-bg);
}

.loader__logo {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 600;
    line-height: 1;
    margin-bottom: 1rem;
    overflow: hidden;
}

.loader__logo span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    animation: slide-up 0.6s var(--ease-out) forwards;
}

.loader__logo span:nth-child(1) { animation-delay: 0.1s; }
.loader__logo span:nth-child(2) { animation-delay: 0.2s; }
.loader__logo span:nth-child(3) { animation-delay: 0.3s; }

.loader__subtitle {
    font-size: var(--font-size-sm);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0;
    animation: fade-in 0.6s var(--ease-out) 0.6s forwards;
}

@keyframes slide-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    to {
        opacity: 0.7;
    }
}

/* ===== MAIN CONTENT ===== */
.main-content {
    opacity: 0;
    transition: opacity 1s var(--ease-out) 0.5s;
}

.main-content.show {
    opacity: 1;
}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-border);
    z-index: 1000;
}

.scroll-progress__bar {
    height: 100%;
    background: var(--color-text);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s ease-out;
}

/* ===== SKIP LINK ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: white;
    padding: var(--space-2);
    z-index: 10001;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* ===== HERO WITH PARALLAX ===== */
.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: 120%;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-size: cover;
    background-position: center;
    will-change: transform;
    z-index: 0;
}

/* Three.js canvas styling */
.hero__background canvas {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
}

.hero__layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__layer-1 {
    background: radial-gradient(circle at 20% 50%, rgba(10, 102, 194, 0.05) 0%, transparent 50%);
}

.hero__layer-2 {
    background: radial-gradient(circle at 80% 50%, rgba(10, 102, 194, 0.03) 0%, transparent 50%);
}

/* Hero layout (Tresmares Capital style) */
.hero__layout {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: clamp(4rem, 8vw, 12rem);
    height: 100%;
    padding: 0 clamp(2rem, 8vw, 8rem);
    padding-bottom: clamp(3rem, 10vh, 8rem);
    max-width: 1920px;
    margin: 0 auto;
}

.hero__left {
    flex: 0 0 auto;
    max-width: 45%;
}

.hero__right {
    flex: 0 0 auto;
    max-width: 380px;
    margin-left: auto;
}

/* Extra spacing for very wide screens */
@media (min-width: 1600px) {
    .hero__layout {
        gap: clamp(8rem, 12vw, 16rem);
    }
}

.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-6);
    z-index: 2;

    /* Hide logo on premium version */
    display: none;
}

.header__logo {
    height: 40px;
    width: auto;
}

.hero__label {
    font-size: clamp(0.75rem, 1vw, 0.875rem);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: clamp(1rem, 2vw, 2rem);
    opacity: 0;
    animation: reveal-up 0.8s var(--ease-out) 1.2s forwards;
    text-shadow: 0 2px 30px rgba(255, 255, 255, 0.6);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 8vw, 8rem);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--color-text);
    text-shadow: 0 2px 30px rgba(255, 255, 255, 0.6);
    display: flex;
    flex-direction: column;
    gap: 0;
}

.hero__title-line {
    display: block;
    opacity: 0;
    transform: translateY(40px);
    animation: reveal-word 0.8s var(--ease-out) forwards;
}

.hero__title-line:nth-child(1) { animation-delay: 1.3s; }
.hero__title-line:nth-child(2) { animation-delay: 1.45s; }
.hero__title-line:nth-child(3) { animation-delay: 1.6s; }

.hero__description {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: clamp(1.5rem, 2vw, 2rem);
    text-shadow: 0 2px 30px rgba(255, 255, 255, 0.6);
    opacity: 0;
    animation: reveal-up 0.8s var(--ease-out) 1.75s forwards;
}

.hero__link {
    display: inline-block;
    font-size: clamp(0.875rem, 1.2vw, 1rem);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-text);
    padding-bottom: 0.25rem;
    transition: all var(--transition-base);
    text-shadow: 0 2px 30px rgba(255, 255, 255, 0.6);
    opacity: 0;
    animation: reveal-up 0.8s var(--ease-out) 1.9s forwards;
}

.hero__link:hover {
    border-bottom-width: 2px;
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: float-in 1s var(--ease-out) 2s forwards, float 3s ease-in-out 3s infinite;
    z-index: 1;
}

.scroll-indicator::after {
    content: '';
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

@keyframes reveal-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes reveal-word {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float-in {
    to {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-12px);
    }
}

/* ===== BUTTON ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: 500;
    border: 2px solid var(--color-text);
    background: var(--color-text);
    color: var(--color-bg);
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-accent);
    transform: translateY(100%);
    transition: transform var(--transition-base);
    z-index: 0;
}

.btn:hover::before {
    transform: translateY(0);
}

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

.btn:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

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

.btn--large {
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn__arrow {
    transition: transform var(--transition-base);
}

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

/* ===== STATS ===== */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    padding: var(--space-12) var(--space-6);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
}

.stat {
    text-align: center;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.stat:nth-child(1) { transition-delay: 0.1s; }
.stat:nth-child(2) { transition-delay: 0.2s; }
.stat:nth-child(3) { transition-delay: 0.3s; }
.stat:nth-child(4) { transition-delay: 0.4s; }

.stat__value {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: var(--color-border);
}

/* ===== SECTIONS ===== */
.services,
.section {
    padding: var(--space-20) var(--space-6);
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    max-width: 720px;
    margin: 0 auto var(--space-12);
    text-align: center;
}

.section-header__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.section-header__title {
    font-family: var(--font-display);
    font-size: var(--font-size-display);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--space-4);
}

.section-header__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* ===== SERVICE CARDS ===== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: var(--space-8);
    transition: all var(--transition-base);
    position: relative;
    opacity: 0;
    transform: scale(0.95);
}

.service-card.visible {
    opacity: 1;
    transform: scale(1);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--color-text);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px) scale(1);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card__number {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
    transition: color var(--transition-base);
}

.service-card:hover .service-card__number {
    color: var(--color-text);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-4);
    color: var(--color-accent);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.service-card__description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.service-card__benefits {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service__benefit,
.benefit {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.service__benefit::before,
.benefit::before {
    content: '—';
    flex-shrink: 0;
    color: var(--color-text);
}

/* ===== PRICING ===== */
.pricing {
    background: var(--color-text);
    color: var(--color-bg);
    padding: var(--space-20) var(--space-6);
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.pricing__content {
    max-width: 1024px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.pricing__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: var(--space-4);
}

.pricing__title {
    font-family: var(--font-display);
    font-size: var(--font-size-display);
    font-weight: 600;
    margin-bottom: var(--space-12);
}

.pricing__card {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: var(--space-12);
    max-width: 600px;
    margin: 0 auto;
    transition: transform var(--transition-base);
}

.pricing__card:hover {
    transform: translateY(-8px);
}

.pricing__price {
    font-family: var(--font-display);
    font-size: var(--font-size-price);
    font-weight: 600;
    line-height: 1;
    margin-bottom: var(--space-4);
}

.pricing__period {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.pricing__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.pricing__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    text-align: left;
}

.pricing__feature {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.pricing__feature:hover {
    background: none;
}

.pricing__check {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-text);
}

.pricing__badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--color-accent);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-6);
}

.pricing__cta {
    width: 100%;
}

/* ===== CONTACT & CTA ===== */
.contact,
.cta {
    padding: var(--space-20) var(--space-6);
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.contact__title,
.cta__title {
    font-family: var(--font-display);
    font-size: var(--font-size-display);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-6);
}

.cta__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.cta__buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-8) var(--space-6);
    background: var(--color-bg);
}

.footer__content {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer__links {
    display: flex;
    gap: var(--space-6);
}

.footer__link {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-text);
}

/* ===== OBSERVE ===== */
.observe {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root {
        --space-12: 4rem;
        --space-20: 6rem;
    }

    .hero__layout {
        flex-direction: column;
        align-items: flex-start;
        padding: clamp(6rem, 15vh, 8rem) 2rem 3rem;
        gap: 3rem;
    }

    .hero__left,
    .hero__right {
        max-width: 100%;
        margin-left: 0;
    }

    .hero__title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero__description {
        font-size: 1rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .stat:not(:last-child)::after {
        display: none;
    }

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

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

    .cta__buttons {
        flex-direction: column;
    }

    .footer__content {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ===== DOT NAVIGATION ===== */
.dot-nav {
    position: fixed;
    right: var(--space-6);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    z-index: 1000;
}

.dot-nav__item {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
}

.dot-nav__dot {
    width: 12px;
    height: 12px;
    border: 2px solid var(--color-text-muted);
    border-radius: 50%;
    background: transparent;
    transition: all var(--transition-base);
}

.dot-nav__item--active .dot-nav__dot {
    background: var(--color-text);
    border-color: var(--color-text);
    transform: scale(1.2);
}

.dot-nav__item:hover .dot-nav__dot {
    border-color: var(--color-text);
    transform: scale(1.1);
}

.dot-nav__label {
    position: absolute;
    right: calc(100% + var(--space-2));
    white-space: nowrap;
    padding: var(--space-2);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: var(--font-size-xs);
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.dot-nav__item:hover .dot-nav__label {
    opacity: 1;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-text);
    color: var(--color-bg);
    border: 2px solid var(--color-text);
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 999;
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.back-to-top:active {
    transform: translateY(-2px);
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero__background,
    .hero__layer {
        transform: none !important;
    }
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
    .dot-nav {
        right: var(--space-4);
        gap: var(--space-2);
    }

    .dot-nav__dot {
        width: 10px;
        height: 10px;
    }

    .dot-nav__label {
        display: none;
    }

    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .dot-nav {
        display: none;
    }
}